How did Inca religion combine the worship of Inti, Viracocha, and other deities?

The Inca religion was a highly organized state system that integrated various nature deities, animistic beliefs, and ancestral traditions into a cohesive hierarchy. While the pantheon featured multiple gods, their roles were distinct and often served different societal functions:123

• Inti: As the ranking deity and the divine ancestor of the Inca rulers, Inti was the head of the state pantheon. His worship was central to the empire, as he was believed to provide the warmth necessary for agriculture and the maturation of crops.451
• Viracocha: A creator god and culture hero, Viracocha was originally worshiped by pre-Inca peoples before being assimilated into the Inca pantheon. He was viewed as a remote, ancient figure who created the heavens, earth, and humanity, leaving the daily surveillance of the world to other deities. He was primarily worshiped by the nobility, especially during times of crisis.6
• Other Deities: The religion also incorporated gods like Apu Illapu, the rain giver, who was essential for agricultural success, and Mama Quilla, the Moon Mother, who regulated festivals and cycles.4

The Inca state required the worship of the sun god, yet they practiced religious tolerance by allowing subject peoples to maintain their own native beliefs, resulting in a complex, syncretic religious landscape.13