Home / 1,787,169.32-2,682,082.96-722,220.60

Finding the Fourth Proportional to 1,787,169.32, 2,682,082.96 and 722,220.60

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Solution

The fourth proportional to 1,787,169.32, 2,682,082.96 and 722,220.60 is: 1,083,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,169.32 : 2,682,082.96 = 722,220.60 : x
  2. Step 2: Convert to fraction form
    1,787,169.32/2,682,082.96 = 722,220.60/x
  3. Step 3: Cross multiply
    1,787,169.32x = 2,682,082.96 × 722,220.60
  4. Step 4: Simplify right side
    1,787,169.32x = 1,937,055,564,620.98
  5. Step 5: Solve for x
    x = 1,937,055,564,620.98/1,787,169.32
  6. Step 6: Final answer
    x = 1,083,867.96

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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.