Home / 1,418,078.06-1,956,974.36-773,521.28

Finding the Fourth Proportional to 1,418,078.06, 1,956,974.36 and 773,521.28

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Solution

The fourth proportional to 1,418,078.06, 1,956,974.36 and 773,521.28 is: 1,067,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,078.06 : 1,956,974.36 = 773,521.28 : x
  2. Step 2: Convert to fraction form
    1,418,078.06/1,956,974.36 = 773,521.28/x
  3. Step 3: Cross multiply
    1,418,078.06x = 1,956,974.36 × 773,521.28
  4. Step 4: Simplify right side
    1,418,078.06x = 1,513,761,311,874.38
  5. Step 5: Solve for x
    x = 1,513,761,311,874.38/1,418,078.06
  6. Step 6: Final answer
    x = 1,067,473.90

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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.