Home / 1,425,310.44-1,966,960.08-813,451.02

Finding the Fourth Proportional to 1,425,310.44, 1,966,960.08 and 813,451.02

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Solution

The fourth proportional to 1,425,310.44, 1,966,960.08 and 813,451.02 is: 1,122,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,310.44 : 1,966,960.08 = 813,451.02 : x
  2. Step 2: Convert to fraction form
    1,425,310.44/1,966,960.08 = 813,451.02/x
  3. Step 3: Cross multiply
    1,425,310.44x = 1,966,960.08 × 813,451.02
  4. Step 4: Simplify right side
    1,425,310.44x = 1,600,025,683,375.28
  5. Step 5: Solve for x
    x = 1,600,025,683,375.28/1,425,310.44
  6. Step 6: Final answer
    x = 1,122,580.48

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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.