Home / 1,270,327.28-1,752,987.20-754,103.28

Finding the Fourth Proportional to 1,270,327.28, 1,752,987.20 and 754,103.28

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Solution

The fourth proportional to 1,270,327.28, 1,752,987.20 and 754,103.28 is: 1,040,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,327.28 : 1,752,987.20 = 754,103.28 : x
  2. Step 2: Convert to fraction form
    1,270,327.28/1,752,987.20 = 754,103.28/x
  3. Step 3: Cross multiply
    1,270,327.28x = 1,752,987.20 × 754,103.28
  4. Step 4: Simplify right side
    1,270,327.28x = 1,321,933,397,318.02
  5. Step 5: Solve for x
    x = 1,321,933,397,318.02/1,270,327.28
  6. Step 6: Final answer
    x = 1,040,624.27

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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.