Home / 1,631,096.12-2,250,849.93-905,990.04

Finding the Fourth Proportional to 1,631,096.12, 2,250,849.93 and 905,990.04

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Solution

The fourth proportional to 1,631,096.12, 2,250,849.93 and 905,990.04 is: 1,250,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,096.12 : 2,250,849.93 = 905,990.04 : x
  2. Step 2: Convert to fraction form
    1,631,096.12/2,250,849.93 = 905,990.04/x
  3. Step 3: Cross multiply
    1,631,096.12x = 2,250,849.93 × 905,990.04
  4. Step 4: Simplify right side
    1,631,096.12x = 2,039,247,618,114.70
  5. Step 5: Solve for x
    x = 2,039,247,618,114.70/1,631,096.12
  6. Step 6: Final answer
    x = 1,250,231.42

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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.