Home / 752,872.11-1,127,937.99-672,159.51

Finding the Fourth Proportional to 752,872.11, 1,127,937.99 and 672,159.51

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Solution

The fourth proportional to 752,872.11, 1,127,937.99 and 672,159.51 is: 1,007,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,872.11 : 1,127,937.99 = 672,159.51 : x
  2. Step 2: Convert to fraction form
    752,872.11/1,127,937.99 = 672,159.51/x
  3. Step 3: Cross multiply
    752,872.11x = 1,127,937.99 × 672,159.51
  4. Step 4: Simplify right side
    752,872.11x = 758,154,246,668.79
  5. Step 5: Solve for x
    x = 758,154,246,668.79/752,872.11
  6. Step 6: Final answer
    x = 1,007,015.98

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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.