Home / 1,124.94-1,684.96-927.73

Finding the Fourth Proportional to 1,124.94, 1,684.96 and 927.73

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Solution

The fourth proportional to 1,124.94, 1,684.96 and 927.73 is: 1,389.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.94 : 1,684.96 = 927.73 : x
  2. Step 2: Convert to fraction form
    1,124.94/1,684.96 = 927.73/x
  3. Step 3: Cross multiply
    1,124.94x = 1,684.96 × 927.73
  4. Step 4: Simplify right side
    1,124.94x = 1,563,181.41
  5. Step 5: Solve for x
    x = 1,563,181.41/1,124.94
  6. Step 6: Final answer
    x = 1,389.57

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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.