Home / 1,188,138.05-1,782,311.83-335,217.15

Finding the Fourth Proportional to 1,188,138.05, 1,782,311.83 and 335,217.15

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Solution

The fourth proportional to 1,188,138.05, 1,782,311.83 and 335,217.15 is: 502,855.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,138.05 : 1,782,311.83 = 335,217.15 : x
  2. Step 2: Convert to fraction form
    1,188,138.05/1,782,311.83 = 335,217.15/x
  3. Step 3: Cross multiply
    1,188,138.05x = 1,782,311.83 × 335,217.15
  4. Step 4: Simplify right side
    1,188,138.05x = 597,461,492,063.89
  5. Step 5: Solve for x
    x = 597,461,492,063.89/1,188,138.05
  6. Step 6: Final answer
    x = 502,855.28

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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.