Home / 1,290,949.88-1,935,090.72-492,016.88

Finding the Fourth Proportional to 1,290,949.88, 1,935,090.72 and 492,016.88

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Solution

The fourth proportional to 1,290,949.88, 1,935,090.72 and 492,016.88 is: 737,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,949.88 : 1,935,090.72 = 492,016.88 : x
  2. Step 2: Convert to fraction form
    1,290,949.88/1,935,090.72 = 492,016.88/x
  3. Step 3: Cross multiply
    1,290,949.88x = 1,935,090.72 × 492,016.88
  4. Step 4: Simplify right side
    1,290,949.88x = 952,097,298,571.35
  5. Step 5: Solve for x
    x = 952,097,298,571.35/1,290,949.88
  6. Step 6: Final answer
    x = 737,516.86

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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.