Home / 1,450,987.52-2,002,337.28-806,407.68

Finding the Fourth Proportional to 1,450,987.52, 2,002,337.28 and 806,407.68

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Solution

The fourth proportional to 1,450,987.52, 2,002,337.28 and 806,407.68 is: 1,112,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,987.52 : 2,002,337.28 = 806,407.68 : x
  2. Step 2: Convert to fraction form
    1,450,987.52/2,002,337.28 = 806,407.68/x
  3. Step 3: Cross multiply
    1,450,987.52x = 2,002,337.28 × 806,407.68
  4. Step 4: Simplify right side
    1,450,987.52x = 1,614,700,160,542.31
  5. Step 5: Solve for x
    x = 1,614,700,160,542.31/1,450,987.52
  6. Step 6: Final answer
    x = 1,112,828.43

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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.