Home / 1,101,864.72-1,652,912.28-391,958.16

Finding the Fourth Proportional to 1,101,864.72, 1,652,912.28 and 391,958.16

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Solution

The fourth proportional to 1,101,864.72, 1,652,912.28 and 391,958.16 is: 587,978.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,864.72 : 1,652,912.28 = 391,958.16 : x
  2. Step 2: Convert to fraction form
    1,101,864.72/1,652,912.28 = 391,958.16/x
  3. Step 3: Cross multiply
    1,101,864.72x = 1,652,912.28 × 391,958.16
  4. Step 4: Simplify right side
    1,101,864.72x = 647,872,455,910.21
  5. Step 5: Solve for x
    x = 647,872,455,910.21/1,101,864.72
  6. Step 6: Final answer
    x = 587,978.22

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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.