Home / 1,350,212.06-1,863,274.56-769,469.78

Finding the Fourth Proportional to 1,350,212.06, 1,863,274.56 and 769,469.78

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Solution

The fourth proportional to 1,350,212.06, 1,863,274.56 and 769,469.78 is: 1,061,857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,212.06 : 1,863,274.56 = 769,469.78 : x
  2. Step 2: Convert to fraction form
    1,350,212.06/1,863,274.56 = 769,469.78/x
  3. Step 3: Cross multiply
    1,350,212.06x = 1,863,274.56 × 769,469.78
  4. Step 4: Simplify right side
    1,350,212.06x = 1,433,733,465,762.80
  5. Step 5: Solve for x
    x = 1,433,733,465,762.80/1,350,212.06
  6. Step 6: Final answer
    x = 1,061,857.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.