Home / 1,522,453.39-2,100,718.61-868,780.96

Finding the Fourth Proportional to 1,522,453.39, 2,100,718.61 and 868,780.96

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Solution

The fourth proportional to 1,522,453.39, 2,100,718.61 and 868,780.96 is: 1,198,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,453.39 : 2,100,718.61 = 868,780.96 : x
  2. Step 2: Convert to fraction form
    1,522,453.39/2,100,718.61 = 868,780.96/x
  3. Step 3: Cross multiply
    1,522,453.39x = 2,100,718.61 × 868,780.96
  4. Step 4: Simplify right side
    1,522,453.39x = 1,825,064,329,234.79
  5. Step 5: Solve for x
    x = 1,825,064,329,234.79/1,522,453.39
  6. Step 6: Final answer
    x = 1,198,765.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.