Home / 1,436,661.31-2,156,394.39-1,186,490.38

Finding the Fourth Proportional to 1,436,661.31, 2,156,394.39 and 1,186,490.38

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Solution

The fourth proportional to 1,436,661.31, 2,156,394.39 and 1,186,490.38 is: 1,780,893.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,661.31 : 2,156,394.39 = 1,186,490.38 : x
  2. Step 2: Convert to fraction form
    1,436,661.31/2,156,394.39 = 1,186,490.38/x
  3. Step 3: Cross multiply
    1,436,661.31x = 2,156,394.39 × 1,186,490.38
  4. Step 4: Simplify right side
    1,436,661.31x = 2,558,541,199,220.97
  5. Step 5: Solve for x
    x = 2,558,541,199,220.97/1,436,661.31
  6. Step 6: Final answer
    x = 1,780,893.79

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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.