Home / 1,309,321.35-1,963,984.39-410,832.09

Finding the Fourth Proportional to 1,309,321.35, 1,963,984.39 and 410,832.09

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Solution

The fourth proportional to 1,309,321.35, 1,963,984.39 and 410,832.09 is: 616,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,321.35 : 1,963,984.39 = 410,832.09 : x
  2. Step 2: Convert to fraction form
    1,309,321.35/1,963,984.39 = 410,832.09/x
  3. Step 3: Cross multiply
    1,309,321.35x = 1,963,984.39 × 410,832.09
  4. Step 4: Simplify right side
    1,309,321.35x = 806,867,810,644.00
  5. Step 5: Solve for x
    x = 806,867,810,644.00/1,309,321.35
  6. Step 6: Final answer
    x = 616,248.88

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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.