Home / 1,485,464.50-2,049,965.94-806,401

Finding the Fourth Proportional to 1,485,464.50, 2,049,965.94 and 806,401

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Solution

The fourth proportional to 1,485,464.50, 2,049,965.94 and 806,401 is: 1,112,846.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,464.50 : 2,049,965.94 = 806,401 : x
  2. Step 2: Convert to fraction form
    1,485,464.50/2,049,965.94 = 806,401/x
  3. Step 3: Cross multiply
    1,485,464.50x = 2,049,965.94 × 806,401
  4. Step 4: Simplify right side
    1,485,464.50x = 1,653,094,583,981.94
  5. Step 5: Solve for x
    x = 1,653,094,583,981.94/1,485,464.50
  6. Step 6: Final answer
    x = 1,112,846.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.