Home / 1,021,039.68-1,531,443.42-273,144

Finding the Fourth Proportional to 1,021,039.68, 1,531,443.42 and 273,144

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Solution

The fourth proportional to 1,021,039.68, 1,531,443.42 and 273,144 is: 409,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,039.68 : 1,531,443.42 = 273,144 : x
  2. Step 2: Convert to fraction form
    1,021,039.68/1,531,443.42 = 273,144/x
  3. Step 3: Cross multiply
    1,021,039.68x = 1,531,443.42 × 273,144
  4. Step 4: Simplify right side
    1,021,039.68x = 418,304,581,512.48
  5. Step 5: Solve for x
    x = 418,304,581,512.48/1,021,039.68
  6. Step 6: Final answer
    x = 409,684.94

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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.