Home / 945,362.21-1,305,238.68-727,183.45

Finding the Fourth Proportional to 945,362.21, 1,305,238.68 and 727,183.45

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Solution

The fourth proportional to 945,362.21, 1,305,238.68 and 727,183.45 is: 1,004,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,362.21 : 1,305,238.68 = 727,183.45 : x
  2. Step 2: Convert to fraction form
    945,362.21/1,305,238.68 = 727,183.45/x
  3. Step 3: Cross multiply
    945,362.21x = 1,305,238.68 × 727,183.45
  4. Step 4: Simplify right side
    945,362.21x = 949,147,966,395.85
  5. Step 5: Solve for x
    x = 949,147,966,395.85/945,362.21
  6. Step 6: Final answer
    x = 1,004,004.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.