Home / 1,273,939.02-1,910,909.97-327,317.58

Finding the Fourth Proportional to 1,273,939.02, 1,910,909.97 and 327,317.58

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Solution

The fourth proportional to 1,273,939.02, 1,910,909.97 and 327,317.58 is: 490,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,939.02 : 1,910,909.97 = 327,317.58 : x
  2. Step 2: Convert to fraction form
    1,273,939.02/1,910,909.97 = 327,317.58/x
  3. Step 3: Cross multiply
    1,273,939.02x = 1,910,909.97 × 327,317.58
  4. Step 4: Simplify right side
    1,273,939.02x = 625,474,426,978.27
  5. Step 5: Solve for x
    x = 625,474,426,978.27/1,273,939.02
  6. Step 6: Final answer
    x = 490,976.74

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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.