Home / 1,292.48-1,938.75-599.73

Finding the Fourth Proportional to 1,292.48, 1,938.75 and 599.73

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Solution

The fourth proportional to 1,292.48, 1,938.75 and 599.73 is: 899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292.48 : 1,938.75 = 599.73 : x
  2. Step 2: Convert to fraction form
    1,292.48/1,938.75 = 599.73/x
  3. Step 3: Cross multiply
    1,292.48x = 1,938.75 × 599.73
  4. Step 4: Simplify right side
    1,292.48x = 1,162,726.54
  5. Step 5: Solve for x
    x = 1,162,726.54/1,292.48
  6. Step 6: Final answer
    x = 899.61

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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.