Home / 1,330,623.78-1,995,935.46-319,745.73

Finding the Fourth Proportional to 1,330,623.78, 1,995,935.46 and 319,745.73

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Solution

The fourth proportional to 1,330,623.78, 1,995,935.46 and 319,745.73 is: 479,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,623.78 : 1,995,935.46 = 319,745.73 : x
  2. Step 2: Convert to fraction form
    1,330,623.78/1,995,935.46 = 319,745.73/x
  3. Step 3: Cross multiply
    1,330,623.78x = 1,995,935.46 × 319,745.73
  4. Step 4: Simplify right side
    1,330,623.78x = 638,191,840,690.59
  5. Step 5: Solve for x
    x = 638,191,840,690.59/1,330,623.78
  6. Step 6: Final answer
    x = 479,618.54

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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.