Home / 1,340,783.92-2,010,743.88-442,016.56

Finding the Fourth Proportional to 1,340,783.92, 2,010,743.88 and 442,016.56

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Solution

The fourth proportional to 1,340,783.92, 2,010,743.88 and 442,016.56 is: 662,882.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,783.92 : 2,010,743.88 = 442,016.56 : x
  2. Step 2: Convert to fraction form
    1,340,783.92/2,010,743.88 = 442,016.56/x
  3. Step 3: Cross multiply
    1,340,783.92x = 2,010,743.88 × 442,016.56
  4. Step 4: Simplify right side
    1,340,783.92x = 888,782,092,878.65
  5. Step 5: Solve for x
    x = 888,782,092,878.65/1,340,783.92
  6. Step 6: Final answer
    x = 662,882.42

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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.