Finding the Fourth Proportional to 1,375,147.53, 1,897,501.35 and 763,304.88
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Solution
The fourth proportional to 1,375,147.53, 1,897,501.35 and 763,304.88 is: 1,053,248.48
Step by Step Solution
- Step 1: Write the proportion equation
1,375,147.53 : 1,897,501.35 = 763,304.88 : x - Step 2: Convert to fraction form
1,375,147.53/1,897,501.35 = 763,304.88/x - Step 3: Cross multiply
1,375,147.53x = 1,897,501.35 × 763,304.88 - Step 4: Simplify right side
1,375,147.53x = 1,448,372,040,261.59 - Step 5: Solve for x
x = 1,448,372,040,261.59/1,375,147.53 - Step 6: Final answer
x = 1,053,248.48
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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.