Finding the Fourth Proportional to 1,207,557.68, 1,667,891.10 and 880,352.50
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Solution
The fourth proportional to 1,207,557.68, 1,667,891.10 and 880,352.50 is: 1,215,951.94
Step by Step Solution
- Step 1: Write the proportion equation
1,207,557.68 : 1,667,891.10 = 880,352.50 : x - Step 2: Convert to fraction form
1,207,557.68/1,667,891.10 = 880,352.50/x - Step 3: Cross multiply
1,207,557.68x = 1,667,891.10 × 880,352.50 - Step 4: Simplify right side
1,207,557.68x = 1,468,332,099,612.75 - Step 5: Solve for x
x = 1,468,332,099,612.75/1,207,557.68 - Step 6: Final answer
x = 1,215,951.94
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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.