Home / 1,302,489.09-1,954,014.30-403,912.76

Finding the Fourth Proportional to 1,302,489.09, 1,954,014.30 and 403,912.76

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Solution

The fourth proportional to 1,302,489.09, 1,954,014.30 and 403,912.76 is: 605,956.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,489.09 : 1,954,014.30 = 403,912.76 : x
  2. Step 2: Convert to fraction form
    1,302,489.09/1,954,014.30 = 403,912.76/x
  3. Step 3: Cross multiply
    1,302,489.09x = 1,954,014.30 × 403,912.76
  4. Step 4: Simplify right side
    1,302,489.09x = 789,251,299,222.40
  5. Step 5: Solve for x
    x = 789,251,299,222.40/1,302,489.09
  6. Step 6: Final answer
    x = 605,956.17

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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.