Home / 1,422,378.05-2,134,104.60-854,155.30

Finding the Fourth Proportional to 1,422,378.05, 2,134,104.60 and 854,155.30

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Solution

The fourth proportional to 1,422,378.05, 2,134,104.60 and 854,155.30 is: 1,281,555.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,378.05 : 2,134,104.60 = 854,155.30 : x
  2. Step 2: Convert to fraction form
    1,422,378.05/2,134,104.60 = 854,155.30/x
  3. Step 3: Cross multiply
    1,422,378.05x = 2,134,104.60 × 854,155.30
  4. Step 4: Simplify right side
    1,422,378.05x = 1,822,856,754,844.38
  5. Step 5: Solve for x
    x = 1,822,856,754,844.38/1,422,378.05
  6. Step 6: Final answer
    x = 1,281,555.74

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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.