Home / 818,183.73-1,225,602.50-666,919.88

Finding the Fourth Proportional to 818,183.73, 1,225,602.50 and 666,919.88

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Solution

The fourth proportional to 818,183.73, 1,225,602.50 and 666,919.88 is: 999,016.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,183.73 : 1,225,602.50 = 666,919.88 : x
  2. Step 2: Convert to fraction form
    818,183.73/1,225,602.50 = 666,919.88/x
  3. Step 3: Cross multiply
    818,183.73x = 1,225,602.50 × 666,919.88
  4. Step 4: Simplify right side
    818,183.73x = 817,378,667,361.10
  5. Step 5: Solve for x
    x = 817,378,667,361.10/818,183.73
  6. Step 6: Final answer
    x = 999,016.03

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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.