Home / 1,276,469.70-1,914,704.55-1,214,261.70

Finding the Fourth Proportional to 1,276,469.70, 1,914,704.55 and 1,214,261.70

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Solution

The fourth proportional to 1,276,469.70, 1,914,704.55 and 1,214,261.70 is: 1,821,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,469.70 : 1,914,704.55 = 1,214,261.70 : x
  2. Step 2: Convert to fraction form
    1,276,469.70/1,914,704.55 = 1,214,261.70/x
  3. Step 3: Cross multiply
    1,276,469.70x = 1,914,704.55 × 1,214,261.70
  4. Step 4: Simplify right side
    1,276,469.70x = 2,324,952,401,880.74
  5. Step 5: Solve for x
    x = 2,324,952,401,880.74/1,276,469.70
  6. Step 6: Final answer
    x = 1,821,392.55

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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.