Home / 1,212,247.69-1,818,380.64-538,147.77

Finding the Fourth Proportional to 1,212,247.69, 1,818,380.64 and 538,147.77

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Solution

The fourth proportional to 1,212,247.69, 1,818,380.64 and 538,147.77 is: 807,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,247.69 : 1,818,380.64 = 538,147.77 : x
  2. Step 2: Convert to fraction form
    1,212,247.69/1,818,380.64 = 538,147.77/x
  3. Step 3: Cross multiply
    1,212,247.69x = 1,818,380.64 × 538,147.77
  4. Step 4: Simplify right side
    1,212,247.69x = 978,557,481,626.30
  5. Step 5: Solve for x
    x = 978,557,481,626.30/1,212,247.69
  6. Step 6: Final answer
    x = 807,225.69

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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.