Home / 945,361.21-1,305,237.30-727,182.45

Finding the Fourth Proportional to 945,361.21, 1,305,237.30 and 727,182.45

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Solution

The fourth proportional to 945,361.21, 1,305,237.30 and 727,182.45 is: 1,004,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,361.21 : 1,305,237.30 = 727,182.45 : x
  2. Step 2: Convert to fraction form
    945,361.21/1,305,237.30 = 727,182.45/x
  3. Step 3: Cross multiply
    945,361.21x = 1,305,237.30 × 727,182.45
  4. Step 4: Simplify right side
    945,361.21x = 949,145,657,645.39
  5. Step 5: Solve for x
    x = 949,145,657,645.39/945,361.21
  6. Step 6: Final answer
    x = 1,004,003.18

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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.