Home / 1,007,165.38-1,512,237.03-672,292.42

Finding the Fourth Proportional to 1,007,165.38, 1,512,237.03 and 672,292.42

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Solution

The fourth proportional to 1,007,165.38, 1,512,237.03 and 672,292.42 is: 1,009,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,165.38 : 1,512,237.03 = 672,292.42 : x
  2. Step 2: Convert to fraction form
    1,007,165.38/1,512,237.03 = 672,292.42/x
  3. Step 3: Cross multiply
    1,007,165.38x = 1,512,237.03 × 672,292.42
  4. Step 4: Simplify right side
    1,007,165.38x = 1,016,665,492,512.31
  5. Step 5: Solve for x
    x = 1,016,665,492,512.31/1,007,165.38
  6. Step 6: Final answer
    x = 1,009,432.52

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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.