Finding the Fourth Proportional to 1,224,489.52, 1,690,128.84 and 794,744.56
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Solution
The fourth proportional to 1,224,489.52, 1,690,128.84 and 794,744.56 is: 1,096,963.82
Step by Step Solution
- Step 1: Write the proportion equation
1,224,489.52 : 1,690,128.84 = 794,744.56 : x - Step 2: Convert to fraction form
1,224,489.52/1,690,128.84 = 794,744.56/x - Step 3: Cross multiply
1,224,489.52x = 1,690,128.84 × 794,744.56 - Step 4: Simplify right side
1,224,489.52x = 1,343,220,701,289.11 - Step 5: Solve for x
x = 1,343,220,701,289.11/1,224,489.52 - Step 6: Final answer
x = 1,096,963.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.