Home / 1,447,086.20-2,170,647.59-548,286.57

Finding the Fourth Proportional to 1,447,086.20, 2,170,647.59 and 548,286.57

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Solution

The fourth proportional to 1,447,086.20, 2,170,647.59 and 548,286.57 is: 822,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,086.20 : 2,170,647.59 = 548,286.57 : x
  2. Step 2: Convert to fraction form
    1,447,086.20/2,170,647.59 = 548,286.57/x
  3. Step 3: Cross multiply
    1,447,086.20x = 2,170,647.59 × 548,286.57
  4. Step 4: Simplify right side
    1,447,086.20x = 1,190,136,919,058.43
  5. Step 5: Solve for x
    x = 1,190,136,919,058.43/1,447,086.20
  6. Step 6: Final answer
    x = 822,436.79

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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.