Home / 1,299,993.40-1,951,142.10-766,847.80

Finding the Fourth Proportional to 1,299,993.40, 1,951,142.10 and 766,847.80

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Solution

The fourth proportional to 1,299,993.40, 1,951,142.10 and 766,847.80 is: 1,150,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,993.40 : 1,951,142.10 = 766,847.80 : x
  2. Step 2: Convert to fraction form
    1,299,993.40/1,951,142.10 = 766,847.80/x
  3. Step 3: Cross multiply
    1,299,993.40x = 1,951,142.10 × 766,847.80
  4. Step 4: Simplify right side
    1,299,993.40x = 1,496,229,026,872.38
  5. Step 5: Solve for x
    x = 1,496,229,026,872.38/1,299,993.40
  6. Step 6: Final answer
    x = 1,150,951.25

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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.