Home / 1,142,999.10-1,711,135.34-762,977.24

Finding the Fourth Proportional to 1,142,999.10, 1,711,135.34 and 762,977.24

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Solution

The fourth proportional to 1,142,999.10, 1,711,135.34 and 762,977.24 is: 1,142,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,999.10 : 1,711,135.34 = 762,977.24 : x
  2. Step 2: Convert to fraction form
    1,142,999.10/1,711,135.34 = 762,977.24/x
  3. Step 3: Cross multiply
    1,142,999.10x = 1,711,135.34 × 762,977.24
  4. Step 4: Simplify right side
    1,142,999.10x = 1,305,557,318,979.66
  5. Step 5: Solve for x
    x = 1,305,557,318,979.66/1,142,999.10
  6. Step 6: Final answer
    x = 1,142,220.78

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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.