Home / 1,485,116.82-2,227,318.26-685,630.44

Finding the Fourth Proportional to 1,485,116.82, 2,227,318.26 and 685,630.44

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Solution

The fourth proportional to 1,485,116.82, 2,227,318.26 and 685,630.44 is: 1,028,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,116.82 : 2,227,318.26 = 685,630.44 : x
  2. Step 2: Convert to fraction form
    1,485,116.82/2,227,318.26 = 685,630.44/x
  3. Step 3: Cross multiply
    1,485,116.82x = 2,227,318.26 × 685,630.44
  4. Step 4: Simplify right side
    1,485,116.82x = 1,527,117,198,623.83
  5. Step 5: Solve for x
    x = 1,527,117,198,623.83/1,485,116.82
  6. Step 6: Final answer
    x = 1,028,280.86

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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.