Home / 1,121,858.50-1,682,787.75-333,890.50

Finding the Fourth Proportional to 1,121,858.50, 1,682,787.75 and 333,890.50

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Solution

The fourth proportional to 1,121,858.50, 1,682,787.75 and 333,890.50 is: 500,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,858.50 : 1,682,787.75 = 333,890.50 : x
  2. Step 2: Convert to fraction form
    1,121,858.50/1,682,787.75 = 333,890.50/x
  3. Step 3: Cross multiply
    1,121,858.50x = 1,682,787.75 × 333,890.50
  4. Step 4: Simplify right side
    1,121,858.50x = 561,866,843,241.38
  5. Step 5: Solve for x
    x = 561,866,843,241.38/1,121,858.50
  6. Step 6: Final answer
    x = 500,835.75

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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.