Home / 1,461,067.22-2,016,205.19-816,481.78

Finding the Fourth Proportional to 1,461,067.22, 2,016,205.19 and 816,481.78

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Solution

The fourth proportional to 1,461,067.22, 2,016,205.19 and 816,481.78 is: 1,126,707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,067.22 : 2,016,205.19 = 816,481.78 : x
  2. Step 2: Convert to fraction form
    1,461,067.22/2,016,205.19 = 816,481.78/x
  3. Step 3: Cross multiply
    1,461,067.22x = 2,016,205.19 × 816,481.78
  4. Step 4: Simplify right side
    1,461,067.22x = 1,646,194,796,315.32
  5. Step 5: Solve for x
    x = 1,646,194,796,315.32/1,461,067.22
  6. Step 6: Final answer
    x = 1,126,707.09

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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.