Home / 1,238,319.19-1,857,921.24-752,988.76

Finding the Fourth Proportional to 1,238,319.19, 1,857,921.24 and 752,988.76

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Solution

The fourth proportional to 1,238,319.19, 1,857,921.24 and 752,988.76 is: 1,129,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,319.19 : 1,857,921.24 = 752,988.76 : x
  2. Step 2: Convert to fraction form
    1,238,319.19/1,857,921.24 = 752,988.76/x
  3. Step 3: Cross multiply
    1,238,319.19x = 1,857,921.24 × 752,988.76
  4. Step 4: Simplify right side
    1,238,319.19x = 1,398,993,797,630.71
  5. Step 5: Solve for x
    x = 1,398,993,797,630.71/1,238,319.19
  6. Step 6: Final answer
    x = 1,129,752.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.