Home / 1,308,634.25-1,962,951.83-410,145.70

Finding the Fourth Proportional to 1,308,634.25, 1,962,951.83 and 410,145.70

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Solution

The fourth proportional to 1,308,634.25, 1,962,951.83 and 410,145.70 is: 615,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,634.25 : 1,962,951.83 = 410,145.70 : x
  2. Step 2: Convert to fraction form
    1,308,634.25/1,962,951.83 = 410,145.70/x
  3. Step 3: Cross multiply
    1,308,634.25x = 1,962,951.83 × 410,145.70
  4. Step 4: Simplify right side
    1,308,634.25x = 805,096,246,961.57
  5. Step 5: Solve for x
    x = 805,096,246,961.57/1,308,634.25
  6. Step 6: Final answer
    x = 615,218.69

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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.