Finding the Fourth Proportional to 1,192,529.41, 1,646,614.32 and 916,449.99
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Solution
The fourth proportional to 1,192,529.41, 1,646,614.32 and 916,449.99 is: 1,265,410.87
Step by Step Solution
- Step 1: Write the proportion equation
1,192,529.41 : 1,646,614.32 = 916,449.99 : x - Step 2: Convert to fraction form
1,192,529.41/1,646,614.32 = 916,449.99/x - Step 3: Cross multiply
1,192,529.41x = 1,646,614.32 × 916,449.99 - Step 4: Simplify right side
1,192,529.41x = 1,509,039,677,097.86 - Step 5: Solve for x
x = 1,509,039,677,097.86/1,192,529.41 - Step 6: Final answer
x = 1,265,410.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.