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Finding the Fourth Proportional to 1,040,012, 1,560,018 and 252,044

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Solution

The fourth proportional to 1,040,012, 1,560,018 and 252,044 is: 378,066

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,012 : 1,560,018 = 252,044 : x
  2. Step 2: Convert to fraction form
    1,040,012/1,560,018 = 252,044/x
  3. Step 3: Cross multiply
    1,040,012x = 1,560,018 × 252,044
  4. Step 4: Simplify right side
    1,040,012x = 393,193,176,792
  5. Step 5: Solve for x
    x = 393,193,176,792/1,040,012
  6. Step 6: Final answer
    x = 378,066

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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.