Finding the Fourth Proportional to 1,126,236.38, 1,689,341.00 and 452,305.58
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Solution
The fourth proportional to 1,126,236.38, 1,689,341.00 and 452,305.58 is: 678,452.91
Step by Step Solution
- Step 1: Write the proportion equation
1,126,236.38 : 1,689,341.00 = 452,305.58 : x - Step 2: Convert to fraction form
1,126,236.38/1,689,341.00 = 452,305.58/x - Step 3: Cross multiply
1,126,236.38x = 1,689,341.00 × 452,305.58 - Step 4: Simplify right side
1,126,236.38x = 764,098,350,114.55 - Step 5: Solve for x
x = 764,098,350,114.55/1,126,236.38 - Step 6: Final answer
x = 678,452.91
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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.