Finding the Fourth Proportional to 1,270,984.26, 1,753,951.46 and 690,202.38
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Solution
The fourth proportional to 1,270,984.26, 1,753,951.46 and 690,202.38 is: 952,475.58
Step by Step Solution
- Step 1: Write the proportion equation
1,270,984.26 : 1,753,951.46 = 690,202.38 : x - Step 2: Convert to fraction form
1,270,984.26/1,753,951.46 = 690,202.38/x - Step 3: Cross multiply
1,270,984.26x = 1,753,951.46 × 690,202.38 - Step 4: Simplify right side
1,270,984.26x = 1,210,581,472,096.47 - Step 5: Solve for x
x = 1,210,581,472,096.47/1,270,984.26 - Step 6: Final answer
x = 952,475.58
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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.