Home / 1,441,961.92-1,989,920.40-797,425.76

Finding the Fourth Proportional to 1,441,961.92, 1,989,920.40 and 797,425.76

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Solution

The fourth proportional to 1,441,961.92, 1,989,920.40 and 797,425.76 is: 1,100,454.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,961.92 : 1,989,920.40 = 797,425.76 : x
  2. Step 2: Convert to fraction form
    1,441,961.92/1,989,920.40 = 797,425.76/x
  3. Step 3: Cross multiply
    1,441,961.92x = 1,989,920.40 × 797,425.76
  4. Step 4: Simplify right side
    1,441,961.92x = 1,586,813,787,309.50
  5. Step 5: Solve for x
    x = 1,586,813,787,309.50/1,441,961.92
  6. Step 6: Final answer
    x = 1,100,454.71

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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.