Home / 1,787,226.20-2,680,839.30-1,255,347.80

Finding the Fourth Proportional to 1,787,226.20, 2,680,839.30 and 1,255,347.80

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Solution

The fourth proportional to 1,787,226.20, 2,680,839.30 and 1,255,347.80 is: 1,883,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,226.20 : 2,680,839.30 = 1,255,347.80 : x
  2. Step 2: Convert to fraction form
    1,787,226.20/2,680,839.30 = 1,255,347.80/x
  3. Step 3: Cross multiply
    1,787,226.20x = 2,680,839.30 × 1,255,347.80
  4. Step 4: Simplify right side
    1,787,226.20x = 3,365,385,717,408.54
  5. Step 5: Solve for x
    x = 3,365,385,717,408.54/1,787,226.20
  6. Step 6: Final answer
    x = 1,883,021.70

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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.