Home / 1,778,625.45-2,667,538.87-818,158.60

Finding the Fourth Proportional to 1,778,625.45, 2,667,538.87 and 818,158.60

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Solution

The fourth proportional to 1,778,625.45, 2,667,538.87 and 818,158.60 is: 1,227,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,625.45 : 2,667,538.87 = 818,158.60 : x
  2. Step 2: Convert to fraction form
    1,778,625.45/2,667,538.87 = 818,158.60/x
  3. Step 3: Cross multiply
    1,778,625.45x = 2,667,538.87 × 818,158.60
  4. Step 4: Simplify right side
    1,778,625.45x = 2,182,469,868,613.81
  5. Step 5: Solve for x
    x = 2,182,469,868,613.81/1,778,625.45
  6. Step 6: Final answer
    x = 1,227,054.22

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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.