Home / 1,112,099.30-1,668,149.11-270,651.06

Finding the Fourth Proportional to 1,112,099.30, 1,668,149.11 and 270,651.06

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Solution

The fourth proportional to 1,112,099.30, 1,668,149.11 and 270,651.06 is: 405,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,099.30 : 1,668,149.11 = 270,651.06 : x
  2. Step 2: Convert to fraction form
    1,112,099.30/1,668,149.11 = 270,651.06/x
  3. Step 3: Cross multiply
    1,112,099.30x = 1,668,149.11 × 270,651.06
  4. Step 4: Simplify right side
    1,112,099.30x = 451,486,324,859.56
  5. Step 5: Solve for x
    x = 451,486,324,859.56/1,112,099.30
  6. Step 6: Final answer
    x = 405,976.63

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Double scale
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Similar ratio
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1.5x scale

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.