Home / 1,811,797.72-2,718,441.54-800,385.88

Finding the Fourth Proportional to 1,811,797.72, 2,718,441.54 and 800,385.88

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Solution

The fourth proportional to 1,811,797.72, 2,718,441.54 and 800,385.88 is: 1,200,907.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,797.72 : 2,718,441.54 = 800,385.88 : x
  2. Step 2: Convert to fraction form
    1,811,797.72/2,718,441.54 = 800,385.88/x
  3. Step 3: Cross multiply
    1,811,797.72x = 2,718,441.54 × 800,385.88
  4. Step 4: Simplify right side
    1,811,797.72x = 2,175,802,224,221.46
  5. Step 5: Solve for x
    x = 2,175,802,224,221.46/1,811,797.72
  6. Step 6: Final answer
    x = 1,200,907.92

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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.