Home / 1,308,629.88-1,962,945.60-410,141.64

Finding the Fourth Proportional to 1,308,629.88, 1,962,945.60 and 410,141.64

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Solution

The fourth proportional to 1,308,629.88, 1,962,945.60 and 410,141.64 is: 615,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,629.88 : 1,962,945.60 = 410,141.64 : x
  2. Step 2: Convert to fraction form
    1,308,629.88/1,962,945.60 = 410,141.64/x
  3. Step 3: Cross multiply
    1,308,629.88x = 1,962,945.60 × 410,141.64
  4. Step 4: Simplify right side
    1,308,629.88x = 805,085,727,614.78
  5. Step 5: Solve for x
    x = 805,085,727,614.78/1,308,629.88
  6. Step 6: Final answer
    x = 615,212.70

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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.