Home / 1,212,158.25-1,818,246.49-538,058.34

Finding the Fourth Proportional to 1,212,158.25, 1,818,246.49 and 538,058.34

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Solution

The fourth proportional to 1,212,158.25, 1,818,246.49 and 538,058.34 is: 807,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,158.25 : 1,818,246.49 = 538,058.34 : x
  2. Step 2: Convert to fraction form
    1,212,158.25/1,818,246.49 = 538,058.34/x
  3. Step 3: Cross multiply
    1,212,158.25x = 1,818,246.49 × 538,058.34
  4. Step 4: Simplify right side
    1,212,158.25x = 978,322,686,775.08
  5. Step 5: Solve for x
    x = 978,322,686,775.08/1,212,158.25
  6. Step 6: Final answer
    x = 807,091.55

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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.