Home / 1,049,851.05-1,448,415.54-687,481.56

Finding the Fourth Proportional to 1,049,851.05, 1,448,415.54 and 687,481.56

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Solution

The fourth proportional to 1,049,851.05, 1,448,415.54 and 687,481.56 is: 948,476.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,851.05 : 1,448,415.54 = 687,481.56 : x
  2. Step 2: Convert to fraction form
    1,049,851.05/1,448,415.54 = 687,481.56/x
  3. Step 3: Cross multiply
    1,049,851.05x = 1,448,415.54 × 687,481.56
  4. Step 4: Simplify right side
    1,049,851.05x = 995,758,974,967.44
  5. Step 5: Solve for x
    x = 995,758,974,967.44/1,049,851.05
  6. Step 6: Final answer
    x = 948,476.43

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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.