Home / 1,799,122.38-2,699,429.49-787,722.30

Finding the Fourth Proportional to 1,799,122.38, 2,699,429.49 and 787,722.30

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Solution

The fourth proportional to 1,799,122.38, 2,699,429.49 and 787,722.30 is: 1,181,910.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,122.38 : 2,699,429.49 = 787,722.30 : x
  2. Step 2: Convert to fraction form
    1,799,122.38/2,699,429.49 = 787,722.30/x
  3. Step 3: Cross multiply
    1,799,122.38x = 2,699,429.49 × 787,722.30
  4. Step 4: Simplify right side
    1,799,122.38x = 2,126,400,806,550.63
  5. Step 5: Solve for x
    x = 2,126,400,806,550.63/1,799,122.38
  6. Step 6: Final answer
    x = 1,181,910.04

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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.