Home / 1,212,163.50-1,818,254.36-538,063.59

Finding the Fourth Proportional to 1,212,163.50, 1,818,254.36 and 538,063.59

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Solution

The fourth proportional to 1,212,163.50, 1,818,254.36 and 538,063.59 is: 807,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,163.50 : 1,818,254.36 = 538,063.59 : x
  2. Step 2: Convert to fraction form
    1,212,163.50/1,818,254.36 = 538,063.59/x
  3. Step 3: Cross multiply
    1,212,163.50x = 1,818,254.36 × 538,063.59
  4. Step 4: Simplify right side
    1,212,163.50x = 978,336,468,474.75
  5. Step 5: Solve for x
    x = 978,336,468,474.75/1,212,163.50
  6. Step 6: Final answer
    x = 807,099.43

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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.