Home / 1,129,122.25-1,694,016.09-454,856.59

Finding the Fourth Proportional to 1,129,122.25, 1,694,016.09 and 454,856.59

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Solution

The fourth proportional to 1,129,122.25, 1,694,016.09 and 454,856.59 is: 682,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,122.25 : 1,694,016.09 = 454,856.59 : x
  2. Step 2: Convert to fraction form
    1,129,122.25/1,694,016.09 = 454,856.59/x
  3. Step 3: Cross multiply
    1,129,122.25x = 1,694,016.09 × 454,856.59
  4. Step 4: Simplify right side
    1,129,122.25x = 770,534,382,102.53
  5. Step 5: Solve for x
    x = 770,534,382,102.53/1,129,122.25
  6. Step 6: Final answer
    x = 682,418.92

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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.