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Finding the Fourth Proportional to 1,121,850, 1,682,775 and 333,882

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Solution

The fourth proportional to 1,121,850, 1,682,775 and 333,882 is: 500,823

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,850 : 1,682,775 = 333,882 : x
  2. Step 2: Convert to fraction form
    1,121,850/1,682,775 = 333,882/x
  3. Step 3: Cross multiply
    1,121,850x = 1,682,775 × 333,882
  4. Step 4: Simplify right side
    1,121,850x = 561,848,282,550
  5. Step 5: Solve for x
    x = 561,848,282,550/1,121,850
  6. Step 6: Final answer
    x = 500,823

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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.