Home / 792,137.70-1,188,206.55-660,917.70

Finding the Fourth Proportional to 792,137.70, 1,188,206.55 and 660,917.70

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Solution

The fourth proportional to 792,137.70, 1,188,206.55 and 660,917.70 is: 991,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,137.70 : 1,188,206.55 = 660,917.70 : x
  2. Step 2: Convert to fraction form
    792,137.70/1,188,206.55 = 660,917.70/x
  3. Step 3: Cross multiply
    792,137.70x = 1,188,206.55 × 660,917.70
  4. Step 4: Simplify right side
    792,137.70x = 785,306,740,150.94
  5. Step 5: Solve for x
    x = 785,306,740,150.94/792,137.70
  6. Step 6: Final answer
    x = 991,376.55

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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.