Finding the Fourth Proportional to 1,273,629.12, 1,910,374.56 and 387,096
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Solution
The fourth proportional to 1,273,629.12, 1,910,374.56 and 387,096 is: 580,622.99
Step by Step Solution
- Step 1: Write the proportion equation
1,273,629.12 : 1,910,374.56 = 387,096 : x - Step 2: Convert to fraction form
1,273,629.12/1,910,374.56 = 387,096/x - Step 3: Cross multiply
1,273,629.12x = 1,910,374.56 × 387,096 - Step 4: Simplify right side
1,273,629.12x = 739,498,350,677.76 - Step 5: Solve for x
x = 739,498,350,677.76/1,273,629.12 - Step 6: Final answer
x = 580,622.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.