Home / 1,187,910.20-1,779,446.10-737,247.80

Finding the Fourth Proportional to 1,187,910.20, 1,779,446.10 and 737,247.80

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Solution

The fourth proportional to 1,187,910.20, 1,779,446.10 and 737,247.80 is: 1,104,370.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,910.20 : 1,779,446.10 = 737,247.80 : x
  2. Step 2: Convert to fraction form
    1,187,910.20/1,779,446.10 = 737,247.80/x
  3. Step 3: Cross multiply
    1,187,910.20x = 1,779,446.10 × 737,247.80
  4. Step 4: Simplify right side
    1,187,910.20x = 1,311,892,722,443.58
  5. Step 5: Solve for x
    x = 1,311,892,722,443.58/1,187,910.20
  6. Step 6: Final answer
    x = 1,104,370.28

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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.