Home / 1,723,311.26-2,378,076.39-948,791.28

Finding the Fourth Proportional to 1,723,311.26, 2,378,076.39 and 948,791.28

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Solution

The fourth proportional to 1,723,311.26, 2,378,076.39 and 948,791.28 is: 1,309,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,311.26 : 2,378,076.39 = 948,791.28 : x
  2. Step 2: Convert to fraction form
    1,723,311.26/2,378,076.39 = 948,791.28/x
  3. Step 3: Cross multiply
    1,723,311.26x = 2,378,076.39 × 948,791.28
  4. Step 4: Simplify right side
    1,723,311.26x = 2,256,298,142,005.88
  5. Step 5: Solve for x
    x = 2,256,298,142,005.88/1,723,311.26
  6. Step 6: Final answer
    x = 1,309,280.69

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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.