Home / 1,079,289.06-1,618,786.11-321,247.52

Finding the Fourth Proportional to 1,079,289.06, 1,618,786.11 and 321,247.52

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Solution

The fourth proportional to 1,079,289.06, 1,618,786.11 and 321,247.52 is: 481,827.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,289.06 : 1,618,786.11 = 321,247.52 : x
  2. Step 2: Convert to fraction form
    1,079,289.06/1,618,786.11 = 321,247.52/x
  3. Step 3: Cross multiply
    1,079,289.06x = 1,618,786.11 × 321,247.52
  4. Step 4: Simplify right side
    1,079,289.06x = 520,031,022,429.14
  5. Step 5: Solve for x
    x = 520,031,022,429.14/1,079,289.06
  6. Step 6: Final answer
    x = 481,827.38

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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.