Home / 1,247,546.75-1,721,613.35-674,585.55

Finding the Fourth Proportional to 1,247,546.75, 1,721,613.35 and 674,585.55

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Solution

The fourth proportional to 1,247,546.75, 1,721,613.35 and 674,585.55 is: 930,927.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,546.75 : 1,721,613.35 = 674,585.55 : x
  2. Step 2: Convert to fraction form
    1,247,546.75/1,721,613.35 = 674,585.55/x
  3. Step 3: Cross multiply
    1,247,546.75x = 1,721,613.35 × 674,585.55
  4. Step 4: Simplify right side
    1,247,546.75x = 1,161,375,491,680.21
  5. Step 5: Solve for x
    x = 1,161,375,491,680.21/1,247,546.75
  6. Step 6: Final answer
    x = 930,927.43

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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.