Finding the Fourth Proportional to 1,372,829.60, 2,057,139.12 and 624,000.80
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Solution
The fourth proportional to 1,372,829.60, 2,057,139.12 and 624,000.80 is: 935,044.27
Step by Step Solution
- Step 1: Write the proportion equation
1,372,829.60 : 2,057,139.12 = 624,000.80 : x - Step 2: Convert to fraction form
1,372,829.60/2,057,139.12 = 624,000.80/x - Step 3: Cross multiply
1,372,829.60x = 2,057,139.12 × 624,000.80 - Step 4: Simplify right side
1,372,829.60x = 1,283,656,456,591.30 - Step 5: Solve for x
x = 1,283,656,456,591.30/1,372,829.60 - Step 6: Final answer
x = 935,044.27
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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.