Home / 1,274,321.82-1,910,411.37-852,309.66

Finding the Fourth Proportional to 1,274,321.82, 1,910,411.37 and 852,309.66

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Solution

The fourth proportional to 1,274,321.82, 1,910,411.37 and 852,309.66 is: 1,277,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,321.82 : 1,910,411.37 = 852,309.66 : x
  2. Step 2: Convert to fraction form
    1,274,321.82/1,910,411.37 = 852,309.66/x
  3. Step 3: Cross multiply
    1,274,321.82x = 1,910,411.37 × 852,309.66
  4. Step 4: Simplify right side
    1,274,321.82x = 1,628,262,065,224.83
  5. Step 5: Solve for x
    x = 1,628,262,065,224.83/1,274,321.82
  6. Step 6: Final answer
    x = 1,277,747.93

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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.