Home / 1,665,942.13-2,498,913.20-403,769.75

Finding the Fourth Proportional to 1,665,942.13, 2,498,913.20 and 403,769.75

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Solution

The fourth proportional to 1,665,942.13, 2,498,913.20 and 403,769.75 is: 605,654.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,942.13 : 2,498,913.20 = 403,769.75 : x
  2. Step 2: Convert to fraction form
    1,665,942.13/2,498,913.20 = 403,769.75/x
  3. Step 3: Cross multiply
    1,665,942.13x = 2,498,913.20 × 403,769.75
  4. Step 4: Simplify right side
    1,665,942.13x = 1,008,985,558,035.70
  5. Step 5: Solve for x
    x = 1,008,985,558,035.70/1,665,942.13
  6. Step 6: Final answer
    x = 605,654.63

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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.