Home / 1,601,135.72-2,401,700.66-521,647

Finding the Fourth Proportional to 1,601,135.72, 2,401,700.66 and 521,647

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Solution

The fourth proportional to 1,601,135.72, 2,401,700.66 and 521,647 is: 782,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,135.72 : 2,401,700.66 = 521,647 : x
  2. Step 2: Convert to fraction form
    1,601,135.72/2,401,700.66 = 521,647/x
  3. Step 3: Cross multiply
    1,601,135.72x = 2,401,700.66 × 521,647
  4. Step 4: Simplify right side
    1,601,135.72x = 1,252,839,944,187.02
  5. Step 5: Solve for x
    x = 1,252,839,944,187.02/1,601,135.72
  6. Step 6: Final answer
    x = 782,469.55

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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.