Home / 1,259,424.30-1,889,324.22-406,215.48

Finding the Fourth Proportional to 1,259,424.30, 1,889,324.22 and 406,215.48

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Solution

The fourth proportional to 1,259,424.30, 1,889,324.22 and 406,215.48 is: 609,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,424.30 : 1,889,324.22 = 406,215.48 : x
  2. Step 2: Convert to fraction form
    1,259,424.30/1,889,324.22 = 406,215.48/x
  3. Step 3: Cross multiply
    1,259,424.30x = 1,889,324.22 × 406,215.48
  4. Step 4: Simplify right side
    1,259,424.30x = 767,472,744,902.93
  5. Step 5: Solve for x
    x = 767,472,744,902.93/1,259,424.30
  6. Step 6: Final answer
    x = 609,383.78

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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.