Home / 1,007,163.88-1,512,234.78-672,290.92

Finding the Fourth Proportional to 1,007,163.88, 1,512,234.78 and 672,290.92

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Solution

The fourth proportional to 1,007,163.88, 1,512,234.78 and 672,290.92 is: 1,009,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,163.88 : 1,512,234.78 = 672,290.92 : x
  2. Step 2: Convert to fraction form
    1,007,163.88/1,512,234.78 = 672,290.92/x
  3. Step 3: Cross multiply
    1,007,163.88x = 1,512,234.78 × 672,290.92
  4. Step 4: Simplify right side
    1,007,163.88x = 1,016,661,711,502.20
  5. Step 5: Solve for x
    x = 1,016,661,711,502.20/1,007,163.88
  6. Step 6: Final answer
    x = 1,009,430.27

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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.