Home / 1,382,449.20-2,073,362.60-495,985.20

Finding the Fourth Proportional to 1,382,449.20, 2,073,362.60 and 495,985.20

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Solution

The fourth proportional to 1,382,449.20, 2,073,362.60 and 495,985.20 is: 743,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,449.20 : 2,073,362.60 = 495,985.20 : x
  2. Step 2: Convert to fraction form
    1,382,449.20/2,073,362.60 = 495,985.20/x
  3. Step 3: Cross multiply
    1,382,449.20x = 2,073,362.60 × 495,985.20
  4. Step 4: Simplify right side
    1,382,449.20x = 1,028,357,163,833.52
  5. Step 5: Solve for x
    x = 1,028,357,163,833.52/1,382,449.20
  6. Step 6: Final answer
    x = 743,866.15

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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.