Home / 1,728,502.20-2,591,975.70-663,190.20

Finding the Fourth Proportional to 1,728,502.20, 2,591,975.70 and 663,190.20

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Solution

The fourth proportional to 1,728,502.20, 2,591,975.70 and 663,190.20 is: 994,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,502.20 : 2,591,975.70 = 663,190.20 : x
  2. Step 2: Convert to fraction form
    1,728,502.20/2,591,975.70 = 663,190.20/x
  3. Step 3: Cross multiply
    1,728,502.20x = 2,591,975.70 × 663,190.20
  4. Step 4: Simplify right side
    1,728,502.20x = 1,718,972,882,878.14
  5. Step 5: Solve for x
    x = 1,718,972,882,878.14/1,728,502.20
  6. Step 6: Final answer
    x = 994,486.95

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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.