Home / 1,302,599.41-1,797,644.55-721,820.97

Finding the Fourth Proportional to 1,302,599.41, 1,797,644.55 and 721,820.97

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Solution

The fourth proportional to 1,302,599.41, 1,797,644.55 and 721,820.97 is: 996,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,599.41 : 1,797,644.55 = 721,820.97 : x
  2. Step 2: Convert to fraction form
    1,302,599.41/1,797,644.55 = 721,820.97/x
  3. Step 3: Cross multiply
    1,302,599.41x = 1,797,644.55 × 721,820.97
  4. Step 4: Simplify right side
    1,302,599.41x = 1,297,577,535,354.36
  5. Step 5: Solve for x
    x = 1,297,577,535,354.36/1,302,599.41
  6. Step 6: Final answer
    x = 996,144.73

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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.