Home / 1,117,745.97-1,542,655.52-658,713.78

Finding the Fourth Proportional to 1,117,745.97, 1,542,655.52 and 658,713.78

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Solution

The fourth proportional to 1,117,745.97, 1,542,655.52 and 658,713.78 is: 909,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,745.97 : 1,542,655.52 = 658,713.78 : x
  2. Step 2: Convert to fraction form
    1,117,745.97/1,542,655.52 = 658,713.78/x
  3. Step 3: Cross multiply
    1,117,745.97x = 1,542,655.52 × 658,713.78
  4. Step 4: Simplify right side
    1,117,745.97x = 1,016,168,445,523.50
  5. Step 5: Solve for x
    x = 1,016,168,445,523.50/1,117,745.97
  6. Step 6: Final answer
    x = 909,122.89

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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.