Home / 1,324,546.13-1,986,819.39-425,968.17

Finding the Fourth Proportional to 1,324,546.13, 1,986,819.39 and 425,968.17

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Solution

The fourth proportional to 1,324,546.13, 1,986,819.39 and 425,968.17 is: 638,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,546.13 : 1,986,819.39 = 425,968.17 : x
  2. Step 2: Convert to fraction form
    1,324,546.13/1,986,819.39 = 425,968.17/x
  3. Step 3: Cross multiply
    1,324,546.13x = 1,986,819.39 × 425,968.17
  4. Step 4: Simplify right side
    1,324,546.13x = 846,321,819,678.82
  5. Step 5: Solve for x
    x = 846,321,819,678.82/1,324,546.13
  6. Step 6: Final answer
    x = 638,952.32

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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.