Home / 1,358,578.11-2,035,936.13-1,000,778.43

Finding the Fourth Proportional to 1,358,578.11, 2,035,936.13 and 1,000,778.43

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Solution

The fourth proportional to 1,358,578.11, 2,035,936.13 and 1,000,778.43 is: 1,499,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,578.11 : 2,035,936.13 = 1,000,778.43 : x
  2. Step 2: Convert to fraction form
    1,358,578.11/2,035,936.13 = 1,000,778.43/x
  3. Step 3: Cross multiply
    1,358,578.11x = 2,035,936.13 × 1,000,778.43
  4. Step 4: Simplify right side
    1,358,578.11x = 2,037,520,958,757.78
  5. Step 5: Solve for x
    x = 2,037,520,958,757.78/1,358,578.11
  6. Step 6: Final answer
    x = 1,499,745.17

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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.