Home / 1,396,404.20-2,094,411.90-449,870.60

Finding the Fourth Proportional to 1,396,404.20, 2,094,411.90 and 449,870.60

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Solution

The fourth proportional to 1,396,404.20, 2,094,411.90 and 449,870.60 is: 674,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,404.20 : 2,094,411.90 = 449,870.60 : x
  2. Step 2: Convert to fraction form
    1,396,404.20/2,094,411.90 = 449,870.60/x
  3. Step 3: Cross multiply
    1,396,404.20x = 2,094,411.90 × 449,870.60
  4. Step 4: Simplify right side
    1,396,404.20x = 942,214,338,100.14
  5. Step 5: Solve for x
    x = 942,214,338,100.14/1,396,404.20
  6. Step 6: Final answer
    x = 674,743.27

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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.