Home / 1,665,942.84-2,498,914.36-403,770.46

Finding the Fourth Proportional to 1,665,942.84, 2,498,914.36 and 403,770.46

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Solution

The fourth proportional to 1,665,942.84, 2,498,914.36 and 403,770.46 is: 605,655.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,942.84 : 2,498,914.36 = 403,770.46 : x
  2. Step 2: Convert to fraction form
    1,665,942.84/2,498,914.36 = 403,770.46/x
  3. Step 3: Cross multiply
    1,665,942.84x = 2,498,914.36 × 403,770.46
  4. Step 4: Simplify right side
    1,665,942.84x = 1,008,987,800,637.81
  5. Step 5: Solve for x
    x = 1,008,987,800,637.81/1,665,942.84
  6. Step 6: Final answer
    x = 605,655.71

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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.