Home / 1,493,178.96-2,240,303.04-639,892.56

Finding the Fourth Proportional to 1,493,178.96, 2,240,303.04 and 639,892.56

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Solution

The fourth proportional to 1,493,178.96, 2,240,303.04 and 639,892.56 is: 960,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,178.96 : 2,240,303.04 = 639,892.56 : x
  2. Step 2: Convert to fraction form
    1,493,178.96/2,240,303.04 = 639,892.56/x
  3. Step 3: Cross multiply
    1,493,178.96x = 2,240,303.04 × 639,892.56
  4. Step 4: Simplify right side
    1,493,178.96x = 1,433,553,247,441.38
  5. Step 5: Solve for x
    x = 1,433,553,247,441.38/1,493,178.96
  6. Step 6: Final answer
    x = 960,067.94

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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.