Home / 1,308,819.28-1,963,171.82-410,240.52

Finding the Fourth Proportional to 1,308,819.28, 1,963,171.82 and 410,240.52

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Solution

The fourth proportional to 1,308,819.28, 1,963,171.82 and 410,240.52 is: 615,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,819.28 : 1,963,171.82 = 410,240.52 : x
  2. Step 2: Convert to fraction form
    1,308,819.28/1,963,171.82 = 410,240.52/x
  3. Step 3: Cross multiply
    1,308,819.28x = 1,963,171.82 × 410,240.52
  4. Step 4: Simplify right side
    1,308,819.28x = 805,372,628,286.15
  5. Step 5: Solve for x
    x = 805,372,628,286.15/1,308,819.28
  6. Step 6: Final answer
    x = 615,342.88

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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.