Home / 1,148.15-1,721.01-599.78

Finding the Fourth Proportional to 1,148.15, 1,721.01 and 599.78

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Solution

The fourth proportional to 1,148.15, 1,721.01 and 599.78 is: 899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.15 : 1,721.01 = 599.78 : x
  2. Step 2: Convert to fraction form
    1,148.15/1,721.01 = 599.78/x
  3. Step 3: Cross multiply
    1,148.15x = 1,721.01 × 599.78
  4. Step 4: Simplify right side
    1,148.15x = 1,032,227.38
  5. Step 5: Solve for x
    x = 1,032,227.38/1,148.15
  6. Step 6: Final answer
    x = 899.04

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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.