Home / 1,355,879.68-2,033,766.24-409,224.64

Finding the Fourth Proportional to 1,355,879.68, 2,033,766.24 and 409,224.64

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Solution

The fourth proportional to 1,355,879.68, 2,033,766.24 and 409,224.64 is: 613,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,879.68 : 2,033,766.24 = 409,224.64 : x
  2. Step 2: Convert to fraction form
    1,355,879.68/2,033,766.24 = 409,224.64/x
  3. Step 3: Cross multiply
    1,355,879.68x = 2,033,766.24 × 409,224.64
  4. Step 4: Simplify right side
    1,355,879.68x = 832,267,257,408.15
  5. Step 5: Solve for x
    x = 832,267,257,408.15/1,355,879.68
  6. Step 6: Final answer
    x = 613,820.88

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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.