Home / 792,133.70-1,188,200.55-660,913.70

Finding the Fourth Proportional to 792,133.70, 1,188,200.55 and 660,913.70

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Solution

The fourth proportional to 792,133.70, 1,188,200.55 and 660,913.70 is: 991,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,133.70 : 1,188,200.55 = 660,913.70 : x
  2. Step 2: Convert to fraction form
    792,133.70/1,188,200.55 = 660,913.70/x
  3. Step 3: Cross multiply
    792,133.70x = 1,188,200.55 × 660,913.70
  4. Step 4: Simplify right side
    792,133.70x = 785,298,021,842.54
  5. Step 5: Solve for x
    x = 785,298,021,842.54/792,133.70
  6. Step 6: Final answer
    x = 991,370.55

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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.