Home / 1,629,319.20-2,443,966.65-492,079.20

Finding the Fourth Proportional to 1,629,319.20, 2,443,966.65 and 492,079.20

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Solution

The fourth proportional to 1,629,319.20, 2,443,966.65 and 492,079.20 is: 738,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,319.20 : 2,443,966.65 = 492,079.20 : x
  2. Step 2: Convert to fraction form
    1,629,319.20/2,443,966.65 = 492,079.20/x
  3. Step 3: Cross multiply
    1,629,319.20x = 2,443,966.65 × 492,079.20
  4. Step 4: Simplify right side
    1,629,319.20x = 1,202,625,153,958.68
  5. Step 5: Solve for x
    x = 1,202,625,153,958.68/1,629,319.20
  6. Step 6: Final answer
    x = 738,115.13

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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.