Home / 1,308,827.28-1,963,183.76-410,248.56

Finding the Fourth Proportional to 1,308,827.28, 1,963,183.76 and 410,248.56

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Solution

The fourth proportional to 1,308,827.28, 1,963,183.76 and 410,248.56 is: 615,354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,827.28 : 1,963,183.76 = 410,248.56 : x
  2. Step 2: Convert to fraction form
    1,308,827.28/1,963,183.76 = 410,248.56/x
  3. Step 3: Cross multiply
    1,308,827.28x = 1,963,183.76 × 410,248.56
  4. Step 4: Simplify right side
    1,308,827.28x = 805,393,310,555.39
  5. Step 5: Solve for x
    x = 805,393,310,555.39/1,308,827.28
  6. Step 6: Final answer
    x = 615,354.92

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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.