Home / 1,293,142.27-1,784,591.69-720,182.44

Finding the Fourth Proportional to 1,293,142.27, 1,784,591.69 and 720,182.44

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Solution

The fourth proportional to 1,293,142.27, 1,784,591.69 and 720,182.44 is: 993,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,142.27 : 1,784,591.69 = 720,182.44 : x
  2. Step 2: Convert to fraction form
    1,293,142.27/1,784,591.69 = 720,182.44/x
  3. Step 3: Cross multiply
    1,293,142.27x = 1,784,591.69 × 720,182.44
  4. Step 4: Simplify right side
    1,293,142.27x = 1,285,231,597,707.92
  5. Step 5: Solve for x
    x = 1,285,231,597,707.92/1,293,142.27
  6. Step 6: Final answer
    x = 993,882.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.