Home / 1,336,361.22-1,844,040.36-820,136.88

Finding the Fourth Proportional to 1,336,361.22, 1,844,040.36 and 820,136.88

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Solution

The fourth proportional to 1,336,361.22, 1,844,040.36 and 820,136.88 is: 1,131,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,361.22 : 1,844,040.36 = 820,136.88 : x
  2. Step 2: Convert to fraction form
    1,336,361.22/1,844,040.36 = 820,136.88/x
  3. Step 3: Cross multiply
    1,336,361.22x = 1,844,040.36 × 820,136.88
  4. Step 4: Simplify right side
    1,336,361.22x = 1,512,365,510,519.99
  5. Step 5: Solve for x
    x = 1,512,365,510,519.99/1,336,361.22
  6. Step 6: Final answer
    x = 1,131,704.13

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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.