Home / 1,284,260.82-1,926,412.83-485,918.34

Finding the Fourth Proportional to 1,284,260.82, 1,926,412.83 and 485,918.34

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Solution

The fourth proportional to 1,284,260.82, 1,926,412.83 and 485,918.34 is: 728,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,260.82 : 1,926,412.83 = 485,918.34 : x
  2. Step 2: Convert to fraction form
    1,284,260.82/1,926,412.83 = 485,918.34/x
  3. Step 3: Cross multiply
    1,284,260.82x = 1,926,412.83 × 485,918.34
  4. Step 4: Simplify right side
    1,284,260.82x = 936,079,324,508.30
  5. Step 5: Solve for x
    x = 936,079,324,508.30/1,284,260.82
  6. Step 6: Final answer
    x = 728,885.68

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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.