Home / 1,230,974.61-1,699,028.38-721,841.01

Finding the Fourth Proportional to 1,230,974.61, 1,699,028.38 and 721,841.01

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Solution

The fourth proportional to 1,230,974.61, 1,699,028.38 and 721,841.01 is: 996,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,974.61 : 1,699,028.38 = 721,841.01 : x
  2. Step 2: Convert to fraction form
    1,230,974.61/1,699,028.38 = 721,841.01/x
  3. Step 3: Cross multiply
    1,230,974.61x = 1,699,028.38 × 721,841.01
  4. Step 4: Simplify right side
    1,230,974.61x = 1,226,428,361,837.86
  5. Step 5: Solve for x
    x = 1,226,428,361,837.86/1,230,974.61
  6. Step 6: Final answer
    x = 996,306.79

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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.