Home / 1,245,580.56-1,868,960.52-741,138.48

Finding the Fourth Proportional to 1,245,580.56, 1,868,960.52 and 741,138.48

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Solution

The fourth proportional to 1,245,580.56, 1,868,960.52 and 741,138.48 is: 1,112,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,580.56 : 1,868,960.52 = 741,138.48 : x
  2. Step 2: Convert to fraction form
    1,245,580.56/1,868,960.52 = 741,138.48/x
  3. Step 3: Cross multiply
    1,245,580.56x = 1,868,960.52 × 741,138.48
  4. Step 4: Simplify right side
    1,245,580.56x = 1,385,158,558,972.81
  5. Step 5: Solve for x
    x = 1,385,158,558,972.81/1,245,580.56
  6. Step 6: Final answer
    x = 1,112,058.59

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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.