Home / 1,486,912.52-2,231,490.46-688,754.04

Finding the Fourth Proportional to 1,486,912.52, 2,231,490.46 and 688,754.04

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Solution

The fourth proportional to 1,486,912.52, 2,231,490.46 and 688,754.04 is: 1,033,650.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,912.52 : 2,231,490.46 = 688,754.04 : x
  2. Step 2: Convert to fraction form
    1,486,912.52/2,231,490.46 = 688,754.04/x
  3. Step 3: Cross multiply
    1,486,912.52x = 2,231,490.46 × 688,754.04
  4. Step 4: Simplify right side
    1,486,912.52x = 1,536,948,069,546.46
  5. Step 5: Solve for x
    x = 1,536,948,069,546.46/1,486,912.52
  6. Step 6: Final answer
    x = 1,033,650.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.