Home / 1,344,610.82-1,855,654.71-821,545.37

Finding the Fourth Proportional to 1,344,610.82, 1,855,654.71 and 821,545.37

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Solution

The fourth proportional to 1,344,610.82, 1,855,654.71 and 821,545.37 is: 1,133,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,610.82 : 1,855,654.71 = 821,545.37 : x
  2. Step 2: Convert to fraction form
    1,344,610.82/1,855,654.71 = 821,545.37/x
  3. Step 3: Cross multiply
    1,344,610.82x = 1,855,654.71 × 821,545.37
  4. Step 4: Simplify right side
    1,344,610.82x = 1,524,504,535,319.19
  5. Step 5: Solve for x
    x = 1,524,504,535,319.19/1,344,610.82
  6. Step 6: Final answer
    x = 1,133,788.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.