Home / 1,431,724.56-1,975,793.40-787,149.24

Finding the Fourth Proportional to 1,431,724.56, 1,975,793.40 and 787,149.24

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Solution

The fourth proportional to 1,431,724.56, 1,975,793.40 and 787,149.24 is: 1,086,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,724.56 : 1,975,793.40 = 787,149.24 : x
  2. Step 2: Convert to fraction form
    1,431,724.56/1,975,793.40 = 787,149.24/x
  3. Step 3: Cross multiply
    1,431,724.56x = 1,975,793.40 × 787,149.24
  4. Step 4: Simplify right side
    1,431,724.56x = 1,555,244,273,207.02
  5. Step 5: Solve for x
    x = 1,555,244,273,207.02/1,431,724.56
  6. Step 6: Final answer
    x = 1,086,273.38

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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.