Home / 1,117,388.83-1,542,321.52-730,262.49

Finding the Fourth Proportional to 1,117,388.83, 1,542,321.52 and 730,262.49

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Solution

The fourth proportional to 1,117,388.83, 1,542,321.52 and 730,262.49 is: 1,007,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,388.83 : 1,542,321.52 = 730,262.49 : x
  2. Step 2: Convert to fraction form
    1,117,388.83/1,542,321.52 = 730,262.49/x
  3. Step 3: Cross multiply
    1,117,388.83x = 1,542,321.52 × 730,262.49
  4. Step 4: Simplify right side
    1,117,388.83x = 1,126,299,553,575.78
  5. Step 5: Solve for x
    x = 1,126,299,553,575.78/1,117,388.83
  6. Step 6: Final answer
    x = 1,007,974.60

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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.