Home / 1,212,158-1,818,246.12-538,058.10

Finding the Fourth Proportional to 1,212,158, 1,818,246.12 and 538,058.10

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Solution

The fourth proportional to 1,212,158, 1,818,246.12 and 538,058.10 is: 807,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,158 : 1,818,246.12 = 538,058.10 : x
  2. Step 2: Convert to fraction form
    1,212,158/1,818,246.12 = 538,058.10/x
  3. Step 3: Cross multiply
    1,212,158x = 1,818,246.12 × 538,058.10
  4. Step 4: Simplify right side
    1,212,158x = 978,322,052,659.57
  5. Step 5: Solve for x
    x = 978,322,052,659.57/1,212,158
  6. Step 6: Final answer
    x = 807,091.20

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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.