Home / 1,179.34-1,623.77-1,069.99

Finding the Fourth Proportional to 1,179.34, 1,623.77 and 1,069.99

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Solution

The fourth proportional to 1,179.34, 1,623.77 and 1,069.99 is: 1,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.34 : 1,623.77 = 1,069.99 : x
  2. Step 2: Convert to fraction form
    1,179.34/1,623.77 = 1,069.99/x
  3. Step 3: Cross multiply
    1,179.34x = 1,623.77 × 1,069.99
  4. Step 4: Simplify right side
    1,179.34x = 1,737,417.66
  5. Step 5: Solve for x
    x = 1,737,417.66/1,179.34
  6. Step 6: Final answer
    x = 1,473.21

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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.