Home / 1,308,825.28-1,963,180.77-410,246.56

Finding the Fourth Proportional to 1,308,825.28, 1,963,180.77 and 410,246.56

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Solution

The fourth proportional to 1,308,825.28, 1,963,180.77 and 410,246.56 is: 615,351.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,825.28 : 1,963,180.77 = 410,246.56 : x
  2. Step 2: Convert to fraction form
    1,308,825.28/1,963,180.77 = 410,246.56/x
  3. Step 3: Cross multiply
    1,308,825.28x = 1,963,180.77 × 410,246.56
  4. Step 4: Simplify right side
    1,308,825.28x = 805,388,157,550.65
  5. Step 5: Solve for x
    x = 805,388,157,550.65/1,308,825.28
  6. Step 6: Final answer
    x = 615,351.93

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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.