Home / 1,489,494.11-2,232,491.57-689,084.92

Finding the Fourth Proportional to 1,489,494.11, 2,232,491.57 and 689,084.92

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Solution

The fourth proportional to 1,489,494.11, 2,232,491.57 and 689,084.92 is: 1,032,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,494.11 : 2,232,491.57 = 689,084.92 : x
  2. Step 2: Convert to fraction form
    1,489,494.11/2,232,491.57 = 689,084.92/x
  3. Step 3: Cross multiply
    1,489,494.11x = 2,232,491.57 × 689,084.92
  4. Step 4: Simplify right side
    1,489,494.11x = 1,538,376,268,471.54
  5. Step 5: Solve for x
    x = 1,538,376,268,471.54/1,489,494.11
  6. Step 6: Final answer
    x = 1,032,817.96

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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.