Home / 1,324,918.46-1,828,387.45-721,306.46

Finding the Fourth Proportional to 1,324,918.46, 1,828,387.45 and 721,306.46

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Solution

The fourth proportional to 1,324,918.46, 1,828,387.45 and 721,306.46 is: 995,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,918.46 : 1,828,387.45 = 721,306.46 : x
  2. Step 2: Convert to fraction form
    1,324,918.46/1,828,387.45 = 721,306.46/x
  3. Step 3: Cross multiply
    1,324,918.46x = 1,828,387.45 × 721,306.46
  4. Step 4: Simplify right side
    1,324,918.46x = 1,318,827,679,067.93
  5. Step 5: Solve for x
    x = 1,318,827,679,067.93/1,324,918.46
  6. Step 6: Final answer
    x = 995,402.90

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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.