Home / 1,250,621.78-1,875,933.39-878,306.90

Finding the Fourth Proportional to 1,250,621.78, 1,875,933.39 and 878,306.90

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Solution

The fourth proportional to 1,250,621.78, 1,875,933.39 and 878,306.90 is: 1,317,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,621.78 : 1,875,933.39 = 878,306.90 : x
  2. Step 2: Convert to fraction form
    1,250,621.78/1,875,933.39 = 878,306.90/x
  3. Step 3: Cross multiply
    1,250,621.78x = 1,875,933.39 × 878,306.90
  4. Step 4: Simplify right side
    1,250,621.78x = 1,647,645,240,377.39
  5. Step 5: Solve for x
    x = 1,647,645,240,377.39/1,250,621.78
  6. Step 6: Final answer
    x = 1,317,460.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.