Finding the Fourth Proportional to 1,123,351.75, 1,685,027.63 and 375,397.75
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Solution
The fourth proportional to 1,123,351.75, 1,685,027.63 and 375,397.75 is: 563,096.63
Step by Step Solution
- Step 1: Write the proportion equation
1,123,351.75 : 1,685,027.63 = 375,397.75 : x - Step 2: Convert to fraction form
1,123,351.75/1,685,027.63 = 375,397.75/x - Step 3: Cross multiply
1,123,351.75x = 1,685,027.63 × 375,397.75 - Step 4: Simplify right side
1,123,351.75x = 632,555,580,989.83 - Step 5: Solve for x
x = 632,555,580,989.83/1,123,351.75 - Step 6: Final answer
x = 563,096.63
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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.