Home / 1,418,815.35-1,957,949.06-774,246.51

Finding the Fourth Proportional to 1,418,815.35, 1,957,949.06 and 774,246.51

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Solution

The fourth proportional to 1,418,815.35, 1,957,949.06 and 774,246.51 is: 1,068,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,815.35 : 1,957,949.06 = 774,246.51 : x
  2. Step 2: Convert to fraction form
    1,418,815.35/1,957,949.06 = 774,246.51/x
  3. Step 3: Cross multiply
    1,418,815.35x = 1,957,949.06 × 774,246.51
  4. Step 4: Simplify right side
    1,418,815.35x = 1,515,935,229,422.04
  5. Step 5: Solve for x
    x = 1,515,935,229,422.04/1,418,815.35
  6. Step 6: Final answer
    x = 1,068,451.39

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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.