Home / 1,665,940.32-2,498,910.49-403,767.95

Finding the Fourth Proportional to 1,665,940.32, 2,498,910.49 and 403,767.95

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Solution

The fourth proportional to 1,665,940.32, 2,498,910.49 and 403,767.95 is: 605,651.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,940.32 : 2,498,910.49 = 403,767.95 : x
  2. Step 2: Convert to fraction form
    1,665,940.32/2,498,910.49 = 403,767.95/x
  3. Step 3: Cross multiply
    1,665,940.32x = 2,498,910.49 × 403,767.95
  4. Step 4: Simplify right side
    1,665,940.32x = 1,008,979,961,647.74
  5. Step 5: Solve for x
    x = 1,008,979,961,647.74/1,665,940.32
  6. Step 6: Final answer
    x = 605,651.92

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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.