Home / 1,121,371.59-1,682,314.95-322,659.75

Finding the Fourth Proportional to 1,121,371.59, 1,682,314.95 and 322,659.75

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Solution

The fourth proportional to 1,121,371.59, 1,682,314.95 and 322,659.75 is: 484,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,371.59 : 1,682,314.95 = 322,659.75 : x
  2. Step 2: Convert to fraction form
    1,121,371.59/1,682,314.95 = 322,659.75/x
  3. Step 3: Cross multiply
    1,121,371.59x = 1,682,314.95 × 322,659.75
  4. Step 4: Simplify right side
    1,121,371.59x = 542,815,321,188.26
  5. Step 5: Solve for x
    x = 542,815,321,188.26/1,121,371.59
  6. Step 6: Final answer
    x = 484,063.74

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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.