Home / 793,696.20-1,188,794.70-688,720.20

Finding the Fourth Proportional to 793,696.20, 1,188,794.70 and 688,720.20

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Solution

The fourth proportional to 793,696.20, 1,188,794.70 and 688,720.20 is: 1,031,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,696.20 : 1,188,794.70 = 688,720.20 : x
  2. Step 2: Convert to fraction form
    793,696.20/1,188,794.70 = 688,720.20/x
  3. Step 3: Cross multiply
    793,696.20x = 1,188,794.70 × 688,720.20
  4. Step 4: Simplify right side
    793,696.20x = 818,746,923,542.94
  5. Step 5: Solve for x
    x = 818,746,923,542.94/793,696.20
  6. Step 6: Final answer
    x = 1,031,562.11

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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.