Home / 1,212,160.25-1,818,249.49-538,060.34

Finding the Fourth Proportional to 1,212,160.25, 1,818,249.49 and 538,060.34

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Solution

The fourth proportional to 1,212,160.25, 1,818,249.49 and 538,060.34 is: 807,094.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,160.25 : 1,818,249.49 = 538,060.34 : x
  2. Step 2: Convert to fraction form
    1,212,160.25/1,818,249.49 = 538,060.34/x
  3. Step 3: Cross multiply
    1,212,160.25x = 1,818,249.49 × 538,060.34
  4. Step 4: Simplify right side
    1,212,160.25x = 978,327,938,794.23
  5. Step 5: Solve for x
    x = 978,327,938,794.23/1,212,160.25
  6. Step 6: Final answer
    x = 807,094.56

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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.