Finding the Fourth Proportional to 1,329,343.76, 1,834,425 and 725,615.12
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Solution
The fourth proportional to 1,329,343.76, 1,834,425 and 725,615.12 is: 1,001,310.99
Step by Step Solution
- Step 1: Write the proportion equation
1,329,343.76 : 1,834,425 = 725,615.12 : x - Step 2: Convert to fraction form
1,329,343.76/1,834,425 = 725,615.12/x - Step 3: Cross multiply
1,329,343.76x = 1,834,425 × 725,615.12 - Step 4: Simplify right side
1,329,343.76x = 1,331,086,516,506 - Step 5: Solve for x
x = 1,331,086,516,506/1,329,343.76 - Step 6: Final answer
x = 1,001,310.99
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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.