Home / 1,109,618-1,531,480.52-632,690

Finding the Fourth Proportional to 1,109,618, 1,531,480.52 and 632,690

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Solution

The fourth proportional to 1,109,618, 1,531,480.52 and 632,690 is: 873,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,618 : 1,531,480.52 = 632,690 : x
  2. Step 2: Convert to fraction form
    1,109,618/1,531,480.52 = 632,690/x
  3. Step 3: Cross multiply
    1,109,618x = 1,531,480.52 × 632,690
  4. Step 4: Simplify right side
    1,109,618x = 968,952,410,198.80
  5. Step 5: Solve for x
    x = 968,952,410,198.80/1,109,618
  6. Step 6: Final answer
    x = 873,230.62

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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.