Home / 1,335,138.21-2,002,235.90-576,949.05

Finding the Fourth Proportional to 1,335,138.21, 2,002,235.90 and 576,949.05

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Solution

The fourth proportional to 1,335,138.21, 2,002,235.90 and 576,949.05 is: 865,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,138.21 : 2,002,235.90 = 576,949.05 : x
  2. Step 2: Convert to fraction form
    1,335,138.21/2,002,235.90 = 576,949.05/x
  3. Step 3: Cross multiply
    1,335,138.21x = 2,002,235.90 × 576,949.05
  4. Step 4: Simplify right side
    1,335,138.21x = 1,155,188,097,496.15
  5. Step 5: Solve for x
    x = 1,155,188,097,496.15/1,335,138.21
  6. Step 6: Final answer
    x = 865,219.86

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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.