Home / 754,051.92-1,131,067.86-185,437.92

Finding the Fourth Proportional to 754,051.92, 1,131,067.86 and 185,437.92

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Solution

The fourth proportional to 754,051.92, 1,131,067.86 and 185,437.92 is: 278,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,051.92 : 1,131,067.86 = 185,437.92 : x
  2. Step 2: Convert to fraction form
    754,051.92/1,131,067.86 = 185,437.92/x
  3. Step 3: Cross multiply
    754,051.92x = 1,131,067.86 × 185,437.92
  4. Step 4: Simplify right side
    754,051.92x = 209,742,871,337.25
  5. Step 5: Solve for x
    x = 209,742,871,337.25/754,051.92
  6. Step 6: Final answer
    x = 278,154.42

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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.