Home / 1,961,119.20-2,942,723.70-763,080.60

Finding the Fourth Proportional to 1,961,119.20, 2,942,723.70 and 763,080.60

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Solution

The fourth proportional to 1,961,119.20, 2,942,723.70 and 763,080.60 is: 1,145,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,119.20 : 2,942,723.70 = 763,080.60 : x
  2. Step 2: Convert to fraction form
    1,961,119.20/2,942,723.70 = 763,080.60/x
  3. Step 3: Cross multiply
    1,961,119.20x = 2,942,723.70 × 763,080.60
  4. Step 4: Simplify right side
    1,961,119.20x = 2,245,535,366,630.22
  5. Step 5: Solve for x
    x = 2,245,535,366,630.22/1,961,119.20
  6. Step 6: Final answer
    x = 1,145,027.48

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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.