Home / 1,247,037.26-1,720,910.64-674,077.43

Finding the Fourth Proportional to 1,247,037.26, 1,720,910.64 and 674,077.43

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Solution

The fourth proportional to 1,247,037.26, 1,720,910.64 and 674,077.43 is: 930,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,037.26 : 1,720,910.64 = 674,077.43 : x
  2. Step 2: Convert to fraction form
    1,247,037.26/1,720,910.64 = 674,077.43/x
  3. Step 3: Cross multiply
    1,247,037.26x = 1,720,910.64 × 674,077.43
  4. Step 4: Simplify right side
    1,247,037.26x = 1,160,027,028,300.92
  5. Step 5: Solve for x
    x = 1,160,027,028,300.92/1,247,037.26
  6. Step 6: Final answer
    x = 930,226.44

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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.