Home / 1,109,474-1,663,932.60-310,548.56

Finding the Fourth Proportional to 1,109,474, 1,663,932.60 and 310,548.56

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Solution

The fourth proportional to 1,109,474, 1,663,932.60 and 310,548.56 is: 465,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,474 : 1,663,932.60 = 310,548.56 : x
  2. Step 2: Convert to fraction form
    1,109,474/1,663,932.60 = 310,548.56/x
  3. Step 3: Cross multiply
    1,109,474x = 1,663,932.60 × 310,548.56
  4. Step 4: Simplify right side
    1,109,474x = 516,731,872,867.06
  5. Step 5: Solve for x
    x = 516,731,872,867.06/1,109,474
  6. Step 6: Final answer
    x = 465,744.91

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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.