Home / 1,021,278-1,531,917-273,304.56

Finding the Fourth Proportional to 1,021,278, 1,531,917 and 273,304.56

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Solution

The fourth proportional to 1,021,278, 1,531,917 and 273,304.56 is: 409,956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,278 : 1,531,917 = 273,304.56 : x
  2. Step 2: Convert to fraction form
    1,021,278/1,531,917 = 273,304.56/x
  3. Step 3: Cross multiply
    1,021,278x = 1,531,917 × 273,304.56
  4. Step 4: Simplify right side
    1,021,278x = 418,679,901,641.52
  5. Step 5: Solve for x
    x = 418,679,901,641.52/1,021,278
  6. Step 6: Final answer
    x = 409,956.84

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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.