Home / 1,338,982.13-2,008,813.16-619,842.29

Finding the Fourth Proportional to 1,338,982.13, 2,008,813.16 and 619,842.29

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Solution

The fourth proportional to 1,338,982.13, 2,008,813.16 and 619,842.29 is: 929,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,982.13 : 2,008,813.16 = 619,842.29 : x
  2. Step 2: Convert to fraction form
    1,338,982.13/2,008,813.16 = 619,842.29/x
  3. Step 3: Cross multiply
    1,338,982.13x = 2,008,813.16 × 619,842.29
  4. Step 4: Simplify right side
    1,338,982.13x = 1,245,147,346,177.33
  5. Step 5: Solve for x
    x = 1,245,147,346,177.33/1,338,982.13
  6. Step 6: Final answer
    x = 929,920.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.