Home / 1,487,163.97-2,052,299.19-808,100.47

Finding the Fourth Proportional to 1,487,163.97, 2,052,299.19 and 808,100.47

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Solution

The fourth proportional to 1,487,163.97, 2,052,299.19 and 808,100.47 is: 1,115,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,163.97 : 2,052,299.19 = 808,100.47 : x
  2. Step 2: Convert to fraction form
    1,487,163.97/2,052,299.19 = 808,100.47/x
  3. Step 3: Cross multiply
    1,487,163.97x = 2,052,299.19 × 808,100.47
  4. Step 4: Simplify right side
    1,487,163.97x = 1,658,463,940,019.62
  5. Step 5: Solve for x
    x = 1,658,463,940,019.62/1,487,163.97
  6. Step 6: Final answer
    x = 1,115,185.66

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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.