Home / 1,123,998.90-1,685,998.35-994,091.10

Finding the Fourth Proportional to 1,123,998.90, 1,685,998.35 and 994,091.10

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Solution

The fourth proportional to 1,123,998.90, 1,685,998.35 and 994,091.10 is: 1,491,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,998.90 : 1,685,998.35 = 994,091.10 : x
  2. Step 2: Convert to fraction form
    1,123,998.90/1,685,998.35 = 994,091.10/x
  3. Step 3: Cross multiply
    1,123,998.90x = 1,685,998.35 × 994,091.10
  4. Step 4: Simplify right side
    1,123,998.90x = 1,676,035,954,349.69
  5. Step 5: Solve for x
    x = 1,676,035,954,349.69/1,123,998.90
  6. Step 6: Final answer
    x = 1,491,136.65

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Similar ratio
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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.