Finding the Fourth Proportional to 1,146,306.96, 1,581,412.80 and 715,839.84
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Solution
The fourth proportional to 1,146,306.96, 1,581,412.80 and 715,839.84 is: 987,552.48
Step by Step Solution
- Step 1: Write the proportion equation
1,146,306.96 : 1,581,412.80 = 715,839.84 : x - Step 2: Convert to fraction form
1,146,306.96/1,581,412.80 = 715,839.84/x - Step 3: Cross multiply
1,146,306.96x = 1,581,412.80 × 715,839.84 - Step 4: Simplify right side
1,146,306.96x = 1,132,038,285,725.95 - Step 5: Solve for x
x = 1,132,038,285,725.95/1,146,306.96 - Step 6: Final answer
x = 987,552.48
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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.