Home / 1,302,620.29-1,797,673.29-721,841.78

Finding the Fourth Proportional to 1,302,620.29, 1,797,673.29 and 721,841.78

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Solution

The fourth proportional to 1,302,620.29, 1,797,673.29 and 721,841.78 is: 996,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,620.29 : 1,797,673.29 = 721,841.78 : x
  2. Step 2: Convert to fraction form
    1,302,620.29/1,797,673.29 = 721,841.78/x
  3. Step 3: Cross multiply
    1,302,620.29x = 1,797,673.29 × 721,841.78
  4. Step 4: Simplify right side
    1,302,620.29x = 1,297,635,687,512.06
  5. Step 5: Solve for x
    x = 1,297,635,687,512.06/1,302,620.29
  6. Step 6: Final answer
    x = 996,173.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.