Home / 1,761,279.28-2,641,086.20-682,297.20

Finding the Fourth Proportional to 1,761,279.28, 2,641,086.20 and 682,297.20

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Solution

The fourth proportional to 1,761,279.28, 2,641,086.20 and 682,297.20 is: 1,023,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,279.28 : 2,641,086.20 = 682,297.20 : x
  2. Step 2: Convert to fraction form
    1,761,279.28/2,641,086.20 = 682,297.20/x
  3. Step 3: Cross multiply
    1,761,279.28x = 2,641,086.20 × 682,297.20
  4. Step 4: Simplify right side
    1,761,279.28x = 1,802,005,719,218.64
  5. Step 5: Solve for x
    x = 1,802,005,719,218.64/1,761,279.28
  6. Step 6: Final answer
    x = 1,023,123.21

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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.