Home / 1,790,086.38-2,685,136.86-725,148.60

Finding the Fourth Proportional to 1,790,086.38, 2,685,136.86 and 725,148.60

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Solution

The fourth proportional to 1,790,086.38, 2,685,136.86 and 725,148.60 is: 1,087,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,086.38 : 2,685,136.86 = 725,148.60 : x
  2. Step 2: Convert to fraction form
    1,790,086.38/2,685,136.86 = 725,148.60/x
  3. Step 3: Cross multiply
    1,790,086.38x = 2,685,136.86 × 725,148.60
  4. Step 4: Simplify right side
    1,790,086.38x = 1,947,123,234,837.40
  5. Step 5: Solve for x
    x = 1,947,123,234,837.40/1,790,086.38
  6. Step 6: Final answer
    x = 1,087,725.85

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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.