Home / 1,263,327.58-1,743,414.88-690,391.90

Finding the Fourth Proportional to 1,263,327.58, 1,743,414.88 and 690,391.90

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Solution

The fourth proportional to 1,263,327.58, 1,743,414.88 and 690,391.90 is: 952,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,327.58 : 1,743,414.88 = 690,391.90 : x
  2. Step 2: Convert to fraction form
    1,263,327.58/1,743,414.88 = 690,391.90/x
  3. Step 3: Cross multiply
    1,263,327.58x = 1,743,414.88 × 690,391.90
  4. Step 4: Simplify right side
    1,263,327.58x = 1,203,639,511,491.47
  5. Step 5: Solve for x
    x = 1,203,639,511,491.47/1,263,327.58
  6. Step 6: Final answer
    x = 952,753.29

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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.