Finding the Fourth Proportional to 1,267,537.85, 1,901,306.78 and 307,988.53
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Solution
The fourth proportional to 1,267,537.85, 1,901,306.78 and 307,988.53 is: 461,982.80
Step by Step Solution
- Step 1: Write the proportion equation
1,267,537.85 : 1,901,306.78 = 307,988.53 : x - Step 2: Convert to fraction form
1,267,537.85/1,901,306.78 = 307,988.53/x - Step 3: Cross multiply
1,267,537.85x = 1,901,306.78 × 307,988.53 - Step 4: Simplify right side
1,267,537.85x = 585,580,680,251.23 - Step 5: Solve for x
x = 585,580,680,251.23/1,267,537.85 - Step 6: Final answer
x = 461,982.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.