Home / 1,320,289.38-1,822,028.31-804,067.47

Finding the Fourth Proportional to 1,320,289.38, 1,822,028.31 and 804,067.47

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Solution

The fourth proportional to 1,320,289.38, 1,822,028.31 and 804,067.47 is: 1,109,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,289.38 : 1,822,028.31 = 804,067.47 : x
  2. Step 2: Convert to fraction form
    1,320,289.38/1,822,028.31 = 804,067.47/x
  3. Step 3: Cross multiply
    1,320,289.38x = 1,822,028.31 × 804,067.47
  4. Step 4: Simplify right side
    1,320,289.38x = 1,465,033,693,490.08
  5. Step 5: Solve for x
    x = 1,465,033,693,490.08/1,320,289.38
  6. Step 6: Final answer
    x = 1,109,630.75

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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.