Home / 1,072,876-1,606,864.56-512,304.16

Finding the Fourth Proportional to 1,072,876, 1,606,864.56 and 512,304.16

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Solution

The fourth proportional to 1,072,876, 1,606,864.56 and 512,304.16 is: 767,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,876 : 1,606,864.56 = 512,304.16 : x
  2. Step 2: Convert to fraction form
    1,072,876/1,606,864.56 = 512,304.16/x
  3. Step 3: Cross multiply
    1,072,876x = 1,606,864.56 × 512,304.16
  4. Step 4: Simplify right side
    1,072,876x = 823,203,398,644.57
  5. Step 5: Solve for x
    x = 823,203,398,644.57/1,072,876
  6. Step 6: Final answer
    x = 767,286.62

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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.