Home / 1,121,957.01-1,548,306.36-612,659.43

Finding the Fourth Proportional to 1,121,957.01, 1,548,306.36 and 612,659.43

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Solution

The fourth proportional to 1,121,957.01, 1,548,306.36 and 612,659.43 is: 845,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,957.01 : 1,548,306.36 = 612,659.43 : x
  2. Step 2: Convert to fraction form
    1,121,957.01/1,548,306.36 = 612,659.43/x
  3. Step 3: Cross multiply
    1,121,957.01x = 1,548,306.36 × 612,659.43
  4. Step 4: Simplify right side
    1,121,957.01x = 948,584,491,982.98
  5. Step 5: Solve for x
    x = 948,584,491,982.98/1,121,957.01
  6. Step 6: Final answer
    x = 845,473.12

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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.