Home / 1,199,729.25-1,800,048.38-720,291.83

Finding the Fourth Proportional to 1,199,729.25, 1,800,048.38 and 720,291.83

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Solution

The fourth proportional to 1,199,729.25, 1,800,048.38 and 720,291.83 is: 1,080,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,729.25 : 1,800,048.38 = 720,291.83 : x
  2. Step 2: Convert to fraction form
    1,199,729.25/1,800,048.38 = 720,291.83/x
  3. Step 3: Cross multiply
    1,199,729.25x = 1,800,048.38 × 720,291.83
  4. Step 4: Simplify right side
    1,199,729.25x = 1,296,560,138,117.28
  5. Step 5: Solve for x
    x = 1,296,560,138,117.28/1,199,729.25
  6. Step 6: Final answer
    x = 1,080,710.62

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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.