Home / 1,753,237.70-2,629,856.55-911,680.10

Finding the Fourth Proportional to 1,753,237.70, 2,629,856.55 and 911,680.10

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Solution

The fourth proportional to 1,753,237.70, 2,629,856.55 and 911,680.10 is: 1,367,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,237.70 : 2,629,856.55 = 911,680.10 : x
  2. Step 2: Convert to fraction form
    1,753,237.70/2,629,856.55 = 911,680.10/x
  3. Step 3: Cross multiply
    1,753,237.70x = 2,629,856.55 × 911,680.10
  4. Step 4: Simplify right side
    1,753,237.70x = 2,397,587,882,489.65
  5. Step 5: Solve for x
    x = 2,397,587,882,489.65/1,753,237.70
  6. Step 6: Final answer
    x = 1,367,520.15

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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.