Finding the Fourth Proportional to 1,208,397.04, 1,667,115.92 and 691,874.88
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Solution
The fourth proportional to 1,208,397.04, 1,667,115.92 and 691,874.88 is: 954,517.09
Step by Step Solution
- Step 1: Write the proportion equation
1,208,397.04 : 1,667,115.92 = 691,874.88 : x - Step 2: Convert to fraction form
1,208,397.04/1,667,115.92 = 691,874.88/x - Step 3: Cross multiply
1,208,397.04x = 1,667,115.92 × 691,874.88 - Step 4: Simplify right side
1,208,397.04x = 1,153,435,627,096.09 - Step 5: Solve for x
x = 1,153,435,627,096.09/1,208,397.04 - Step 6: Final answer
x = 954,517.09
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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.