Home / 1,491,763.38-2,237,979.33-545,109.90

Finding the Fourth Proportional to 1,491,763.38, 2,237,979.33 and 545,109.90

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Solution

The fourth proportional to 1,491,763.38, 2,237,979.33 and 545,109.90 is: 817,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,763.38 : 2,237,979.33 = 545,109.90 : x
  2. Step 2: Convert to fraction form
    1,491,763.38/2,237,979.33 = 545,109.90/x
  3. Step 3: Cross multiply
    1,491,763.38x = 2,237,979.33 × 545,109.90
  4. Step 4: Simplify right side
    1,491,763.38x = 1,219,944,688,778.37
  5. Step 5: Solve for x
    x = 1,219,944,688,778.37/1,491,763.38
  6. Step 6: Final answer
    x = 817,786.99

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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.