Home / 1,244,447.19-1,867,058.28-445,735.62

Finding the Fourth Proportional to 1,244,447.19, 1,867,058.28 and 445,735.62

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Solution

The fourth proportional to 1,244,447.19, 1,867,058.28 and 445,735.62 is: 668,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,447.19 : 1,867,058.28 = 445,735.62 : x
  2. Step 2: Convert to fraction form
    1,244,447.19/1,867,058.28 = 445,735.62/x
  3. Step 3: Cross multiply
    1,244,447.19x = 1,867,058.28 × 445,735.62
  4. Step 4: Simplify right side
    1,244,447.19x = 832,214,380,011.93
  5. Step 5: Solve for x
    x = 832,214,380,011.93/1,244,447.19
  6. Step 6: Final answer
    x = 668,742.22

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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.