Home / 792,140.70-1,188,211.05-723,711.90

Finding the Fourth Proportional to 792,140.70, 1,188,211.05 and 723,711.90

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Solution

The fourth proportional to 792,140.70, 1,188,211.05 and 723,711.90 is: 1,085,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,140.70 : 1,188,211.05 = 723,711.90 : x
  2. Step 2: Convert to fraction form
    792,140.70/1,188,211.05 = 723,711.90/x
  3. Step 3: Cross multiply
    792,140.70x = 1,188,211.05 × 723,711.90
  4. Step 4: Simplify right side
    792,140.70x = 859,922,476,596.50
  5. Step 5: Solve for x
    x = 859,922,476,596.50/792,140.70
  6. Step 6: Final answer
    x = 1,085,567.85

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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.