Home / 1,308,846.42-1,963,270.20-410,358.20

Finding the Fourth Proportional to 1,308,846.42, 1,963,270.20 and 410,358.20

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Solution

The fourth proportional to 1,308,846.42, 1,963,270.20 and 410,358.20 is: 615,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,846.42 : 1,963,270.20 = 410,358.20 : x
  2. Step 2: Convert to fraction form
    1,308,846.42/1,963,270.20 = 410,358.20/x
  3. Step 3: Cross multiply
    1,308,846.42x = 1,963,270.20 × 410,358.20
  4. Step 4: Simplify right side
    1,308,846.42x = 805,644,015,569.29
  5. Step 5: Solve for x
    x = 805,644,015,569.29/1,308,846.42
  6. Step 6: Final answer
    x = 615,537.47

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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.