Home / 1,263,441.34-1,743,545.19-690,481.55

Finding the Fourth Proportional to 1,263,441.34, 1,743,545.19 and 690,481.55

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Solution

The fourth proportional to 1,263,441.34, 1,743,545.19 and 690,481.55 is: 952,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,441.34 : 1,743,545.19 = 690,481.55 : x
  2. Step 2: Convert to fraction form
    1,263,441.34/1,743,545.19 = 690,481.55/x
  3. Step 3: Cross multiply
    1,263,441.34x = 1,743,545.19 × 690,481.55
  4. Step 4: Simplify right side
    1,263,441.34x = 1,203,885,785,286.24
  5. Step 5: Solve for x
    x = 1,203,885,785,286.24/1,263,441.34
  6. Step 6: Final answer
    x = 952,862.43

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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.