Home / 1,223,414.30-1,835,121.45-908,486.30

Finding the Fourth Proportional to 1,223,414.30, 1,835,121.45 and 908,486.30

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Solution

The fourth proportional to 1,223,414.30, 1,835,121.45 and 908,486.30 is: 1,362,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,414.30 : 1,835,121.45 = 908,486.30 : x
  2. Step 2: Convert to fraction form
    1,223,414.30/1,835,121.45 = 908,486.30/x
  3. Step 3: Cross multiply
    1,223,414.30x = 1,835,121.45 × 908,486.30
  4. Step 4: Simplify right side
    1,223,414.30x = 1,667,182,696,161.14
  5. Step 5: Solve for x
    x = 1,667,182,696,161.14/1,223,414.30
  6. Step 6: Final answer
    x = 1,362,729.45

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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.