Home / 1,247,937.30-1,722,153.60-674,977.50

Finding the Fourth Proportional to 1,247,937.30, 1,722,153.60 and 674,977.50

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Solution

The fourth proportional to 1,247,937.30, 1,722,153.60 and 674,977.50 is: 931,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,937.30 : 1,722,153.60 = 674,977.50 : x
  2. Step 2: Convert to fraction form
    1,247,937.30/1,722,153.60 = 674,977.50/x
  3. Step 3: Cross multiply
    1,247,937.30x = 1,722,153.60 × 674,977.50
  4. Step 4: Simplify right side
    1,247,937.30x = 1,162,414,931,544
  5. Step 5: Solve for x
    x = 1,162,414,931,544/1,247,937.30
  6. Step 6: Final answer
    x = 931,469.02

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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.