Home / 1,115,863.88-1,538,466.73-722,702.33

Finding the Fourth Proportional to 1,115,863.88, 1,538,466.73 and 722,702.33

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Solution

The fourth proportional to 1,115,863.88, 1,538,466.73 and 722,702.33 is: 996,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,863.88 : 1,538,466.73 = 722,702.33 : x
  2. Step 2: Convert to fraction form
    1,115,863.88/1,538,466.73 = 722,702.33/x
  3. Step 3: Cross multiply
    1,115,863.88x = 1,538,466.73 × 722,702.33
  4. Step 4: Simplify right side
    1,115,863.88x = 1,111,853,499,387.72
  5. Step 5: Solve for x
    x = 1,111,853,499,387.72/1,115,863.88
  6. Step 6: Final answer
    x = 996,406.03

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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.