Home / 1,247,268.85-1,721,231.17-674,308.87

Finding the Fourth Proportional to 1,247,268.85, 1,721,231.17 and 674,308.87

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Solution

The fourth proportional to 1,247,268.85, 1,721,231.17 and 674,308.87 is: 930,546.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,268.85 : 1,721,231.17 = 674,308.87 : x
  2. Step 2: Convert to fraction form
    1,247,268.85/1,721,231.17 = 674,308.87/x
  3. Step 3: Cross multiply
    1,247,268.85x = 1,721,231.17 × 674,308.87
  4. Step 4: Simplify right side
    1,247,268.85x = 1,160,641,439,262.63
  5. Step 5: Solve for x
    x = 1,160,641,439,262.63/1,247,268.85
  6. Step 6: Final answer
    x = 930,546.32

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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.