Home / 1,499,227.12-2,068,982.36-820,163.64

Finding the Fourth Proportional to 1,499,227.12, 2,068,982.36 and 820,163.64

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Solution

The fourth proportional to 1,499,227.12, 2,068,982.36 and 820,163.64 is: 1,131,852.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,227.12 : 2,068,982.36 = 820,163.64 : x
  2. Step 2: Convert to fraction form
    1,499,227.12/2,068,982.36 = 820,163.64/x
  3. Step 3: Cross multiply
    1,499,227.12x = 2,068,982.36 × 820,163.64
  4. Step 4: Simplify right side
    1,499,227.12x = 1,696,904,103,473.39
  5. Step 5: Solve for x
    x = 1,696,904,103,473.39/1,499,227.12
  6. Step 6: Final answer
    x = 1,131,852.59

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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.