Home / 1,247,945.55-1,722,165-674,985.75

Finding the Fourth Proportional to 1,247,945.55, 1,722,165 and 674,985.75

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Solution

The fourth proportional to 1,247,945.55, 1,722,165 and 674,985.75 is: 931,480.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,945.55 : 1,722,165 = 674,985.75 : x
  2. Step 2: Convert to fraction form
    1,247,945.55/1,722,165 = 674,985.75/x
  3. Step 3: Cross multiply
    1,247,945.55x = 1,722,165 × 674,985.75
  4. Step 4: Simplify right side
    1,247,945.55x = 1,162,436,834,148.75
  5. Step 5: Solve for x
    x = 1,162,436,834,148.75/1,247,945.55
  6. Step 6: Final answer
    x = 931,480.41

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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.