Home / 1,418,489.31-1,957,508.73-773,907.51

Finding the Fourth Proportional to 1,418,489.31, 1,957,508.73 and 773,907.51

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Solution

The fourth proportional to 1,418,489.31, 1,957,508.73 and 773,907.51 is: 1,067,988.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,489.31 : 1,957,508.73 = 773,907.51 : x
  2. Step 2: Convert to fraction form
    1,418,489.31/1,957,508.73 = 773,907.51/x
  3. Step 3: Cross multiply
    1,418,489.31x = 1,957,508.73 × 773,907.51
  4. Step 4: Simplify right side
    1,418,489.31x = 1,514,930,707,037.56
  5. Step 5: Solve for x
    x = 1,514,930,707,037.56/1,418,489.31
  6. Step 6: Final answer
    x = 1,067,988.81

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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.