Home / 1,261,963.32-1,741,662.18-718,231.38

Finding the Fourth Proportional to 1,261,963.32, 1,741,662.18 and 718,231.38

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Solution

The fourth proportional to 1,261,963.32, 1,741,662.18 and 718,231.38 is: 991,246.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,963.32 : 1,741,662.18 = 718,231.38 : x
  2. Step 2: Convert to fraction form
    1,261,963.32/1,741,662.18 = 718,231.38/x
  3. Step 3: Cross multiply
    1,261,963.32x = 1,741,662.18 × 718,231.38
  4. Step 4: Simplify right side
    1,261,963.32x = 1,250,916,431,035.21
  5. Step 5: Solve for x
    x = 1,250,916,431,035.21/1,261,963.32
  6. Step 6: Final answer
    x = 991,246.27

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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.