Home / 1,085,156.82-1,622,845.71-829,067.22

Finding the Fourth Proportional to 1,085,156.82, 1,622,845.71 and 829,067.22

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Solution

The fourth proportional to 1,085,156.82, 1,622,845.71 and 829,067.22 is: 1,239,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,156.82 : 1,622,845.71 = 829,067.22 : x
  2. Step 2: Convert to fraction form
    1,085,156.82/1,622,845.71 = 829,067.22/x
  3. Step 3: Cross multiply
    1,085,156.82x = 1,622,845.71 × 829,067.22
  4. Step 4: Simplify right side
    1,085,156.82x = 1,345,448,181,278.63
  5. Step 5: Solve for x
    x = 1,345,448,181,278.63/1,085,156.82
  6. Step 6: Final answer
    x = 1,239,865.20

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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.