Home / 1,302,301.32-1,797,188.49-721,536.72

Finding the Fourth Proportional to 1,302,301.32, 1,797,188.49 and 721,536.72

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Solution

The fourth proportional to 1,302,301.32, 1,797,188.49 and 721,536.72 is: 995,727.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,301.32 : 1,797,188.49 = 721,536.72 : x
  2. Step 2: Convert to fraction form
    1,302,301.32/1,797,188.49 = 721,536.72/x
  3. Step 3: Cross multiply
    1,302,301.32x = 1,797,188.49 × 721,536.72
  4. Step 4: Simplify right side
    1,302,301.32x = 1,296,737,488,296.35
  5. Step 5: Solve for x
    x = 1,296,737,488,296.35/1,302,301.32
  6. Step 6: Final answer
    x = 995,727.69

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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.