Home / 1,367,837.84-1,888,143-1,224,344.72

Finding the Fourth Proportional to 1,367,837.84, 1,888,143 and 1,224,344.72

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Solution

The fourth proportional to 1,367,837.84, 1,888,143 and 1,224,344.72 is: 1,690,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,837.84 : 1,888,143 = 1,224,344.72 : x
  2. Step 2: Convert to fraction form
    1,367,837.84/1,888,143 = 1,224,344.72/x
  3. Step 3: Cross multiply
    1,367,837.84x = 1,888,143 × 1,224,344.72
  4. Step 4: Simplify right side
    1,367,837.84x = 2,311,737,912,654.96
  5. Step 5: Solve for x
    x = 2,311,737,912,654.96/1,367,837.84
  6. Step 6: Final answer
    x = 1,690,067.23

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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.