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Finding the Fourth Proportional to 1,185,084, 1,777,626 and 298,620

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Solution

The fourth proportional to 1,185,084, 1,777,626 and 298,620 is: 447,930

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,084 : 1,777,626 = 298,620 : x
  2. Step 2: Convert to fraction form
    1,185,084/1,777,626 = 298,620/x
  3. Step 3: Cross multiply
    1,185,084x = 1,777,626 × 298,620
  4. Step 4: Simplify right side
    1,185,084x = 530,834,676,120
  5. Step 5: Solve for x
    x = 530,834,676,120/1,185,084
  6. Step 6: Final answer
    x = 447,930

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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.