Home / 1,669,849.38-2,304,393.06-905,902.86

Finding the Fourth Proportional to 1,669,849.38, 2,304,393.06 and 905,902.86

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Solution

The fourth proportional to 1,669,849.38, 2,304,393.06 and 905,902.86 is: 1,250,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,849.38 : 2,304,393.06 = 905,902.86 : x
  2. Step 2: Convert to fraction form
    1,669,849.38/2,304,393.06 = 905,902.86/x
  3. Step 3: Cross multiply
    1,669,849.38x = 2,304,393.06 × 905,902.86
  4. Step 4: Simplify right side
    1,669,849.38x = 2,087,556,263,618.15
  5. Step 5: Solve for x
    x = 2,087,556,263,618.15/1,669,849.38
  6. Step 6: Final answer
    x = 1,250,146.44

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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.