Home / 1,418,927.25-1,958,160.92-774,388.65

Finding the Fourth Proportional to 1,418,927.25, 1,958,160.92 and 774,388.65

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Solution

The fourth proportional to 1,418,927.25, 1,958,160.92 and 774,388.65 is: 1,068,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,927.25 : 1,958,160.92 = 774,388.65 : x
  2. Step 2: Convert to fraction form
    1,418,927.25/1,958,160.92 = 774,388.65/x
  3. Step 3: Cross multiply
    1,418,927.25x = 1,958,160.92 × 774,388.65
  4. Step 4: Simplify right side
    1,418,927.25x = 1,516,377,587,449.61
  5. Step 5: Solve for x
    x = 1,516,377,587,449.61/1,418,927.25
  6. Step 6: Final answer
    x = 1,068,678.88

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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.