Home / 1,266,092.92-1,899,142.80-319,463.56

Finding the Fourth Proportional to 1,266,092.92, 1,899,142.80 and 319,463.56

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Solution

The fourth proportional to 1,266,092.92, 1,899,142.80 and 319,463.56 is: 479,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,092.92 : 1,899,142.80 = 319,463.56 : x
  2. Step 2: Convert to fraction form
    1,266,092.92/1,899,142.80 = 319,463.56/x
  3. Step 3: Cross multiply
    1,266,092.92x = 1,899,142.80 × 319,463.56
  4. Step 4: Simplify right side
    1,266,092.92x = 606,706,919,836.37
  5. Step 5: Solve for x
    x = 606,706,919,836.37/1,266,092.92
  6. Step 6: Final answer
    x = 479,196.20

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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.