Home / 1,353,131.18-1,867,242.55-741,177.41

Finding the Fourth Proportional to 1,353,131.18, 1,867,242.55 and 741,177.41

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Solution

The fourth proportional to 1,353,131.18, 1,867,242.55 and 741,177.41 is: 1,022,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,131.18 : 1,867,242.55 = 741,177.41 : x
  2. Step 2: Convert to fraction form
    1,353,131.18/1,867,242.55 = 741,177.41/x
  3. Step 3: Cross multiply
    1,353,131.18x = 1,867,242.55 × 741,177.41
  4. Step 4: Simplify right side
    1,353,131.18x = 1,383,957,987,714.58
  5. Step 5: Solve for x
    x = 1,383,957,987,714.58/1,353,131.18
  6. Step 6: Final answer
    x = 1,022,781.84

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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.