Home / 1,558,431.56-2,150,993.58-914,059.35

Finding the Fourth Proportional to 1,558,431.56, 2,150,993.58 and 914,059.35

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Solution

The fourth proportional to 1,558,431.56, 2,150,993.58 and 914,059.35 is: 1,261,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,431.56 : 2,150,993.58 = 914,059.35 : x
  2. Step 2: Convert to fraction form
    1,558,431.56/2,150,993.58 = 914,059.35/x
  3. Step 3: Cross multiply
    1,558,431.56x = 2,150,993.58 × 914,059.35
  4. Step 4: Simplify right side
    1,558,431.56x = 1,966,135,790,161.25
  5. Step 5: Solve for x
    x = 1,966,135,790,161.25/1,558,431.56
  6. Step 6: Final answer
    x = 1,261,611.89

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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.