Home / 1,738,253.80-2,607,380.70-991,757.80

Finding the Fourth Proportional to 1,738,253.80, 2,607,380.70 and 991,757.80

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Solution

The fourth proportional to 1,738,253.80, 2,607,380.70 and 991,757.80 is: 1,487,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,253.80 : 2,607,380.70 = 991,757.80 : x
  2. Step 2: Convert to fraction form
    1,738,253.80/2,607,380.70 = 991,757.80/x
  3. Step 3: Cross multiply
    1,738,253.80x = 2,607,380.70 × 991,757.80
  4. Step 4: Simplify right side
    1,738,253.80x = 2,585,890,146,794.46
  5. Step 5: Solve for x
    x = 2,585,890,146,794.46/1,738,253.80
  6. Step 6: Final answer
    x = 1,487,636.70

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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.