Finding the Fourth Proportional to 1,126,496.92, 1,689,716.18 and 378,542.92
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Solution
The fourth proportional to 1,126,496.92, 1,689,716.18 and 378,542.92 is: 567,804.57
Step by Step Solution
- Step 1: Write the proportion equation
1,126,496.92 : 1,689,716.18 = 378,542.92 : x - Step 2: Convert to fraction form
1,126,496.92/1,689,716.18 = 378,542.92/x - Step 3: Cross multiply
1,126,496.92x = 1,689,716.18 × 378,542.92 - Step 4: Simplify right side
1,126,496.92x = 639,630,096,748.45 - Step 5: Solve for x
x = 639,630,096,748.45/1,126,496.92 - Step 6: Final answer
x = 567,804.57
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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.