Home / 1,308,770.28-1,963,155.96-410,282.64

Finding the Fourth Proportional to 1,308,770.28, 1,963,155.96 and 410,282.64

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Solution

The fourth proportional to 1,308,770.28, 1,963,155.96 and 410,282.64 is: 615,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,770.28 : 1,963,155.96 = 410,282.64 : x
  2. Step 2: Convert to fraction form
    1,308,770.28/1,963,155.96 = 410,282.64/x
  3. Step 3: Cross multiply
    1,308,770.28x = 1,963,155.96 × 410,282.64
  4. Step 4: Simplify right side
    1,308,770.28x = 805,448,810,000.53
  5. Step 5: Solve for x
    x = 805,448,810,000.53/1,308,770.28
  6. Step 6: Final answer
    x = 615,424.13

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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.