Home / 1,379,286.26-1,903,385.20-798,533.88

Finding the Fourth Proportional to 1,379,286.26, 1,903,385.20 and 798,533.88

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Solution

The fourth proportional to 1,379,286.26, 1,903,385.20 and 798,533.88 is: 1,101,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,286.26 : 1,903,385.20 = 798,533.88 : x
  2. Step 2: Convert to fraction form
    1,379,286.26/1,903,385.20 = 798,533.88/x
  3. Step 3: Cross multiply
    1,379,286.26x = 1,903,385.20 × 798,533.88
  4. Step 4: Simplify right side
    1,379,286.26x = 1,519,917,568,890.58
  5. Step 5: Solve for x
    x = 1,519,917,568,890.58/1,379,286.26
  6. Step 6: Final answer
    x = 1,101,959.48

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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.