Home / 1,199,748.80-1,800,077.82-720,311.48

Finding the Fourth Proportional to 1,199,748.80, 1,800,077.82 and 720,311.48

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Solution

The fourth proportional to 1,199,748.80, 1,800,077.82 and 720,311.48 is: 1,080,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,748.80 : 1,800,077.82 = 720,311.48 : x
  2. Step 2: Convert to fraction form
    1,199,748.80/1,800,077.82 = 720,311.48/x
  3. Step 3: Cross multiply
    1,199,748.80x = 1,800,077.82 × 720,311.48
  4. Step 4: Simplify right side
    1,199,748.80x = 1,296,616,718,639.37
  5. Step 5: Solve for x
    x = 1,296,616,718,639.37/1,199,748.80
  6. Step 6: Final answer
    x = 1,080,740.17

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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.