Home / 1,007,162.88-1,512,233.28-672,289.92

Finding the Fourth Proportional to 1,007,162.88, 1,512,233.28 and 672,289.92

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Solution

The fourth proportional to 1,007,162.88, 1,512,233.28 and 672,289.92 is: 1,009,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,162.88 : 1,512,233.28 = 672,289.92 : x
  2. Step 2: Convert to fraction form
    1,007,162.88/1,512,233.28 = 672,289.92/x
  3. Step 3: Cross multiply
    1,007,162.88x = 1,512,233.28 × 672,289.92
  4. Step 4: Simplify right side
    1,007,162.88x = 1,016,659,190,832.54
  5. Step 5: Solve for x
    x = 1,016,659,190,832.54/1,007,162.88
  6. Step 6: Final answer
    x = 1,009,428.77

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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.