Home / 1,155,997.56-1,595,168.46-720,374.52

Finding the Fourth Proportional to 1,155,997.56, 1,595,168.46 and 720,374.52

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Solution

The fourth proportional to 1,155,997.56, 1,595,168.46 and 720,374.52 is: 994,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,997.56 : 1,595,168.46 = 720,374.52 : x
  2. Step 2: Convert to fraction form
    1,155,997.56/1,595,168.46 = 720,374.52/x
  3. Step 3: Cross multiply
    1,155,997.56x = 1,595,168.46 × 720,374.52
  4. Step 4: Simplify right side
    1,155,997.56x = 1,149,118,713,691.64
  5. Step 5: Solve for x
    x = 1,149,118,713,691.64/1,155,997.56
  6. Step 6: Final answer
    x = 994,049.43

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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.