Home / 1,151,944.21-1,589,228.31-722,067.49

Finding the Fourth Proportional to 1,151,944.21, 1,589,228.31 and 722,067.49

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Solution

The fourth proportional to 1,151,944.21, 1,589,228.31 and 722,067.49 is: 996,168.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,944.21 : 1,589,228.31 = 722,067.49 : x
  2. Step 2: Convert to fraction form
    1,151,944.21/1,589,228.31 = 722,067.49/x
  3. Step 3: Cross multiply
    1,151,944.21x = 1,589,228.31 × 722,067.49
  4. Step 4: Simplify right side
    1,151,944.21x = 1,147,530,096,838.64
  5. Step 5: Solve for x
    x = 1,147,530,096,838.64/1,151,944.21
  6. Step 6: Final answer
    x = 996,168.12

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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.