Home / 1,185,693.09-1,777,449.78-427,348.95

Finding the Fourth Proportional to 1,185,693.09, 1,777,449.78 and 427,348.95

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Solution

The fourth proportional to 1,185,693.09, 1,777,449.78 and 427,348.95 is: 640,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,693.09 : 1,777,449.78 = 427,348.95 : x
  2. Step 2: Convert to fraction form
    1,185,693.09/1,777,449.78 = 427,348.95/x
  3. Step 3: Cross multiply
    1,185,693.09x = 1,777,449.78 × 427,348.95
  4. Step 4: Simplify right side
    1,185,693.09x = 759,591,297,160.73
  5. Step 5: Solve for x
    x = 759,591,297,160.73/1,185,693.09
  6. Step 6: Final answer
    x = 640,630.62

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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.