Home / 1,605,965.70-2,408,948.55-660,015.30

Finding the Fourth Proportional to 1,605,965.70, 2,408,948.55 and 660,015.30

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Solution

The fourth proportional to 1,605,965.70, 2,408,948.55 and 660,015.30 is: 990,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,965.70 : 2,408,948.55 = 660,015.30 : x
  2. Step 2: Convert to fraction form
    1,605,965.70/2,408,948.55 = 660,015.30/x
  3. Step 3: Cross multiply
    1,605,965.70x = 2,408,948.55 × 660,015.30
  4. Step 4: Simplify right side
    1,605,965.70x = 1,589,942,899,912.82
  5. Step 5: Solve for x
    x = 1,589,942,899,912.82/1,605,965.70
  6. Step 6: Final answer
    x = 990,022.95

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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.