Home / 1,122,079.52-1,548,475.44-612,781.88

Finding the Fourth Proportional to 1,122,079.52, 1,548,475.44 and 612,781.88

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Solution

The fourth proportional to 1,122,079.52, 1,548,475.44 and 612,781.88 is: 845,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,079.52 : 1,548,475.44 = 612,781.88 : x
  2. Step 2: Convert to fraction form
    1,122,079.52/1,548,475.44 = 612,781.88/x
  3. Step 3: Cross multiply
    1,122,079.52x = 1,548,475.44 × 612,781.88
  4. Step 4: Simplify right side
    1,122,079.52x = 948,877,691,257.03
  5. Step 5: Solve for x
    x = 948,877,691,257.03/1,122,079.52
  6. Step 6: Final answer
    x = 845,642.11

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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.