Home / 1,028,231.16-1,418,757.36-646,036.52

Finding the Fourth Proportional to 1,028,231.16, 1,418,757.36 and 646,036.52

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Solution

The fourth proportional to 1,028,231.16, 1,418,757.36 and 646,036.52 is: 891,403.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,231.16 : 1,418,757.36 = 646,036.52 : x
  2. Step 2: Convert to fraction form
    1,028,231.16/1,418,757.36 = 646,036.52/x
  3. Step 3: Cross multiply
    1,028,231.16x = 1,418,757.36 × 646,036.52
  4. Step 4: Simplify right side
    1,028,231.16x = 916,569,067,578.79
  5. Step 5: Solve for x
    x = 916,569,067,578.79/1,028,231.16
  6. Step 6: Final answer
    x = 891,403.71

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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.