Home / 1,247,826.68-1,722,000.82-674,866.85

Finding the Fourth Proportional to 1,247,826.68, 1,722,000.82 and 674,866.85

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Solution

The fourth proportional to 1,247,826.68, 1,722,000.82 and 674,866.85 is: 931,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,826.68 : 1,722,000.82 = 674,866.85 : x
  2. Step 2: Convert to fraction form
    1,247,826.68/1,722,000.82 = 674,866.85/x
  3. Step 3: Cross multiply
    1,247,826.68x = 1,722,000.82 × 674,866.85
  4. Step 4: Simplify right side
    1,247,826.68x = 1,162,121,269,090.82
  5. Step 5: Solve for x
    x = 1,162,121,269,090.82/1,247,826.68
  6. Step 6: Final answer
    x = 931,316.25

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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.