Home / 1,027,117.80-1,540,676.70-427,879.80

Finding the Fourth Proportional to 1,027,117.80, 1,540,676.70 and 427,879.80

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Solution

The fourth proportional to 1,027,117.80, 1,540,676.70 and 427,879.80 is: 641,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,117.80 : 1,540,676.70 = 427,879.80 : x
  2. Step 2: Convert to fraction form
    1,027,117.80/1,540,676.70 = 427,879.80/x
  3. Step 3: Cross multiply
    1,027,117.80x = 1,540,676.70 × 427,879.80
  4. Step 4: Simplify right side
    1,027,117.80x = 659,224,438,260.66
  5. Step 5: Solve for x
    x = 659,224,438,260.66/1,027,117.80
  6. Step 6: Final answer
    x = 641,819.70

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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.