Home / 1,336,890.20-2,004,449.70-738,138.20

Finding the Fourth Proportional to 1,336,890.20, 2,004,449.70 and 738,138.20

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Solution

The fourth proportional to 1,336,890.20, 2,004,449.70 and 738,138.20 is: 1,106,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,890.20 : 2,004,449.70 = 738,138.20 : x
  2. Step 2: Convert to fraction form
    1,336,890.20/2,004,449.70 = 738,138.20/x
  3. Step 3: Cross multiply
    1,336,890.20x = 2,004,449.70 × 738,138.20
  4. Step 4: Simplify right side
    1,336,890.20x = 1,479,560,893,548.54
  5. Step 5: Solve for x
    x = 1,479,560,893,548.54/1,336,890.20
  6. Step 6: Final answer
    x = 1,106,718.33

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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.