Home / 792,124.70-1,188,187.05-660,904.70

Finding the Fourth Proportional to 792,124.70, 1,188,187.05 and 660,904.70

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Solution

The fourth proportional to 792,124.70, 1,188,187.05 and 660,904.70 is: 991,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,124.70 : 1,188,187.05 = 660,904.70 : x
  2. Step 2: Convert to fraction form
    792,124.70/1,188,187.05 = 660,904.70/x
  3. Step 3: Cross multiply
    792,124.70x = 1,188,187.05 × 660,904.70
  4. Step 4: Simplify right side
    792,124.70x = 785,278,405,824.14
  5. Step 5: Solve for x
    x = 785,278,405,824.14/792,124.70
  6. Step 6: Final answer
    x = 991,357.05

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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.