Home / 1,192.24-1,787.29-606.91

Finding the Fourth Proportional to 1,192.24, 1,787.29 and 606.91

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Solution

The fourth proportional to 1,192.24, 1,787.29 and 606.91 is: 909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.24 : 1,787.29 = 606.91 : x
  2. Step 2: Convert to fraction form
    1,192.24/1,787.29 = 606.91/x
  3. Step 3: Cross multiply
    1,192.24x = 1,787.29 × 606.91
  4. Step 4: Simplify right side
    1,192.24x = 1,084,724.17
  5. Step 5: Solve for x
    x = 1,084,724.17/1,192.24
  6. Step 6: Final answer
    x = 909.82

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1.5x scale

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.