Home / 1,121,859.50-1,682,789.25-333,891.50

Finding the Fourth Proportional to 1,121,859.50, 1,682,789.25 and 333,891.50

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Solution

The fourth proportional to 1,121,859.50, 1,682,789.25 and 333,891.50 is: 500,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,859.50 : 1,682,789.25 = 333,891.50 : x
  2. Step 2: Convert to fraction form
    1,121,859.50/1,682,789.25 = 333,891.50/x
  3. Step 3: Cross multiply
    1,121,859.50x = 1,682,789.25 × 333,891.50
  4. Step 4: Simplify right side
    1,121,859.50x = 561,869,026,866.38
  5. Step 5: Solve for x
    x = 561,869,026,866.38/1,121,859.50
  6. Step 6: Final answer
    x = 500,837.25

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Double scale
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Similar ratio
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1.5x scale

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.