Home / 1,192.32-1,788.87-607.07

Finding the Fourth Proportional to 1,192.32, 1,788.87 and 607.07

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Solution

The fourth proportional to 1,192.32, 1,788.87 and 607.07 is: 910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.32 : 1,788.87 = 607.07 : x
  2. Step 2: Convert to fraction form
    1,192.32/1,788.87 = 607.07/x
  3. Step 3: Cross multiply
    1,192.32x = 1,788.87 × 607.07
  4. Step 4: Simplify right side
    1,192.32x = 1,085,960.37
  5. Step 5: Solve for x
    x = 1,085,960.37/1,192.32
  6. Step 6: Final answer
    x = 910.80

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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.