Home / 1,150,615.88-1,587,857.28-641,350.52

Finding the Fourth Proportional to 1,150,615.88, 1,587,857.28 and 641,350.52

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Solution

The fourth proportional to 1,150,615.88, 1,587,857.28 and 641,350.52 is: 885,067.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,615.88 : 1,587,857.28 = 641,350.52 : x
  2. Step 2: Convert to fraction form
    1,150,615.88/1,587,857.28 = 641,350.52/x
  3. Step 3: Cross multiply
    1,150,615.88x = 1,587,857.28 × 641,350.52
  4. Step 4: Simplify right side
    1,150,615.88x = 1,018,373,092,213.79
  5. Step 5: Solve for x
    x = 1,018,373,092,213.79/1,150,615.88
  6. Step 6: Final answer
    x = 885,067.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.