Home / 1,279,142.88-1,765,016.06-735,173.64

Finding the Fourth Proportional to 1,279,142.88, 1,765,016.06 and 735,173.64

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Solution

The fourth proportional to 1,279,142.88, 1,765,016.06 and 735,173.64 is: 1,014,424.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,142.88 : 1,765,016.06 = 735,173.64 : x
  2. Step 2: Convert to fraction form
    1,279,142.88/1,765,016.06 = 735,173.64/x
  3. Step 3: Cross multiply
    1,279,142.88x = 1,765,016.06 × 735,173.64
  4. Step 4: Simplify right side
    1,279,142.88x = 1,297,593,277,812.79
  5. Step 5: Solve for x
    x = 1,297,593,277,812.79/1,279,142.88
  6. Step 6: Final answer
    x = 1,014,424.03

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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.