Home / 1,723,311.76-2,378,077.08-948,791.78

Finding the Fourth Proportional to 1,723,311.76, 2,378,077.08 and 948,791.78

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Solution

The fourth proportional to 1,723,311.76, 2,378,077.08 and 948,791.78 is: 1,309,281.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,311.76 : 2,378,077.08 = 948,791.78 : x
  2. Step 2: Convert to fraction form
    1,723,311.76/2,378,077.08 = 948,791.78/x
  3. Step 3: Cross multiply
    1,723,311.76x = 2,378,077.08 × 948,791.78
  4. Step 4: Simplify right side
    1,723,311.76x = 2,256,299,985,710.40
  5. Step 5: Solve for x
    x = 2,256,299,985,710.40/1,723,311.76
  6. Step 6: Final answer
    x = 1,309,281.38

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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.