Home / 1,202,636.72-1,659,009.44-743,604.55

Finding the Fourth Proportional to 1,202,636.72, 1,659,009.44 and 743,604.55

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Solution

The fourth proportional to 1,202,636.72, 1,659,009.44 and 743,604.55 is: 1,025,785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,636.72 : 1,659,009.44 = 743,604.55 : x
  2. Step 2: Convert to fraction form
    1,202,636.72/1,659,009.44 = 743,604.55/x
  3. Step 3: Cross multiply
    1,202,636.72x = 1,659,009.44 × 743,604.55
  4. Step 4: Simplify right side
    1,202,636.72x = 1,233,646,956,063.88
  5. Step 5: Solve for x
    x = 1,233,646,956,063.88/1,202,636.72
  6. Step 6: Final answer
    x = 1,025,785.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.