Finding the Fourth Proportional to 1,264,872.20, 1,745,565.27 and 691,899.26
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Solution
The fourth proportional to 1,264,872.20, 1,745,565.27 and 691,899.26 is: 954,843.75
Step by Step Solution
- Step 1: Write the proportion equation
1,264,872.20 : 1,745,565.27 = 691,899.26 : x - Step 2: Convert to fraction form
1,264,872.20/1,745,565.27 = 691,899.26/x - Step 3: Cross multiply
1,264,872.20x = 1,745,565.27 × 691,899.26 - Step 4: Simplify right side
1,264,872.20x = 1,207,755,318,594.70 - Step 5: Solve for x
x = 1,207,755,318,594.70/1,264,872.20 - Step 6: Final answer
x = 954,843.75
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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.