Home / 1,109,546.44-1,664,394.21-389,800.62

Finding the Fourth Proportional to 1,109,546.44, 1,664,394.21 and 389,800.62

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Solution

The fourth proportional to 1,109,546.44, 1,664,394.21 and 389,800.62 is: 584,727.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,546.44 : 1,664,394.21 = 389,800.62 : x
  2. Step 2: Convert to fraction form
    1,109,546.44/1,664,394.21 = 389,800.62/x
  3. Step 3: Cross multiply
    1,109,546.44x = 1,664,394.21 × 389,800.62
  4. Step 4: Simplify right side
    1,109,546.44x = 648,781,894,982.41
  5. Step 5: Solve for x
    x = 648,781,894,982.41/1,109,546.44
  6. Step 6: Final answer
    x = 584,727.12

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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.