Home / 1,425,311.44-1,966,961.46-813,452.02

Finding the Fourth Proportional to 1,425,311.44, 1,966,961.46 and 813,452.02

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Solution

The fourth proportional to 1,425,311.44, 1,966,961.46 and 813,452.02 is: 1,122,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,311.44 : 1,966,961.46 = 813,452.02 : x
  2. Step 2: Convert to fraction form
    1,425,311.44/1,966,961.46 = 813,452.02/x
  3. Step 3: Cross multiply
    1,425,311.44x = 1,966,961.46 × 813,452.02
  4. Step 4: Simplify right side
    1,425,311.44x = 1,600,028,772,899.15
  5. Step 5: Solve for x
    x = 1,600,028,772,899.15/1,425,311.44
  6. Step 6: Final answer
    x = 1,122,581.86

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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.