Home / 1,199,983.20-1,798,005.96-726,803.52

Finding the Fourth Proportional to 1,199,983.20, 1,798,005.96 and 726,803.52

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Solution

The fourth proportional to 1,199,983.20, 1,798,005.96 and 726,803.52 is: 1,089,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,983.20 : 1,798,005.96 = 726,803.52 : x
  2. Step 2: Convert to fraction form
    1,199,983.20/1,798,005.96 = 726,803.52/x
  3. Step 3: Cross multiply
    1,199,983.20x = 1,798,005.96 × 726,803.52
  4. Step 4: Simplify right side
    1,199,983.20x = 1,306,797,060,708.98
  5. Step 5: Solve for x
    x = 1,306,797,060,708.98/1,199,983.20
  6. Step 6: Final answer
    x = 1,089,012.80

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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.