Home / 1,302,600.92-1,797,646.62-721,822.47

Finding the Fourth Proportional to 1,302,600.92, 1,797,646.62 and 721,822.47

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Solution

The fourth proportional to 1,302,600.92, 1,797,646.62 and 721,822.47 is: 996,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,600.92 : 1,797,646.62 = 721,822.47 : x
  2. Step 2: Convert to fraction form
    1,302,600.92/1,797,646.62 = 721,822.47/x
  3. Step 3: Cross multiply
    1,302,600.92x = 1,797,646.62 × 721,822.47
  4. Step 4: Simplify right side
    1,302,600.92x = 1,297,581,723,435.55
  5. Step 5: Solve for x
    x = 1,297,581,723,435.55/1,302,600.92
  6. Step 6: Final answer
    x = 996,146.79

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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.