Finding the Fourth Proportional to 1,375,132.08, 1,897,645.80 and 763,283.08
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Solution
The fourth proportional to 1,375,132.08, 1,897,645.80 and 763,283.08 is: 1,053,310.41
Step by Step Solution
- Step 1: Write the proportion equation
1,375,132.08 : 1,897,645.80 = 763,283.08 : x - Step 2: Convert to fraction form
1,375,132.08/1,897,645.80 = 763,283.08/x - Step 3: Cross multiply
1,375,132.08x = 1,897,645.80 × 763,283.08 - Step 4: Simplify right side
1,375,132.08x = 1,448,440,930,973.06 - Step 5: Solve for x
x = 1,448,440,930,973.06/1,375,132.08 - Step 6: Final answer
x = 1,053,310.41
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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.