Home / 1,263,251.20-1,743,265.52-690,278.16

Finding the Fourth Proportional to 1,263,251.20, 1,743,265.52 and 690,278.16

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Solution

The fourth proportional to 1,263,251.20, 1,743,265.52 and 690,278.16 is: 952,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,251.20 : 1,743,265.52 = 690,278.16 : x
  2. Step 2: Convert to fraction form
    1,263,251.20/1,743,265.52 = 690,278.16/x
  3. Step 3: Cross multiply
    1,263,251.20x = 1,743,265.52 × 690,278.16
  4. Step 4: Simplify right side
    1,263,251.20x = 1,203,338,115,537.04
  5. Step 5: Solve for x
    x = 1,203,338,115,537.04/1,263,251.20
  6. Step 6: Final answer
    x = 952,572.31

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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.