Finding the Fourth Proportional to 1,264,107.88, 1,744,476.24 and 691,148.05
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Solution
The fourth proportional to 1,264,107.88, 1,744,476.24 and 691,148.05 is: 953,788.34
Step by Step Solution
- Step 1: Write the proportion equation
1,264,107.88 : 1,744,476.24 = 691,148.05 : x - Step 2: Convert to fraction form
1,264,107.88/1,744,476.24 = 691,148.05/x - Step 3: Cross multiply
1,264,107.88x = 1,744,476.24 × 691,148.05 - Step 4: Simplify right side
1,264,107.88x = 1,205,691,351,547.33 - Step 5: Solve for x
x = 1,205,691,351,547.33/1,264,107.88 - Step 6: Final answer
x = 953,788.34
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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.