Home / 1,260,125.56-1,889,930.58-361,326.52

Finding the Fourth Proportional to 1,260,125.56, 1,889,930.58 and 361,326.52

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Solution

The fourth proportional to 1,260,125.56, 1,889,930.58 and 361,326.52 is: 541,915.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,125.56 : 1,889,930.58 = 361,326.52 : x
  2. Step 2: Convert to fraction form
    1,260,125.56/1,889,930.58 = 361,326.52/x
  3. Step 3: Cross multiply
    1,260,125.56x = 1,889,930.58 × 361,326.52
  4. Step 4: Simplify right side
    1,260,125.56x = 682,882,039,512.98
  5. Step 5: Solve for x
    x = 682,882,039,512.98/1,260,125.56
  6. Step 6: Final answer
    x = 541,915.87

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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.