Home / 1,008,489.40-1,512,734.10-368,791.90

Finding the Fourth Proportional to 1,008,489.40, 1,512,734.10 and 368,791.90

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Solution

The fourth proportional to 1,008,489.40, 1,512,734.10 and 368,791.90 is: 553,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,489.40 : 1,512,734.10 = 368,791.90 : x
  2. Step 2: Convert to fraction form
    1,008,489.40/1,512,734.10 = 368,791.90/x
  3. Step 3: Cross multiply
    1,008,489.40x = 1,512,734.10 × 368,791.90
  4. Step 4: Simplify right side
    1,008,489.40x = 557,884,082,933.79
  5. Step 5: Solve for x
    x = 557,884,082,933.79/1,008,489.40
  6. Step 6: Final answer
    x = 553,187.85

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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.