Home / 860,736.26-1,188,135.81-739,390.57

Finding the Fourth Proportional to 860,736.26, 1,188,135.81 and 739,390.57

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Solution

The fourth proportional to 860,736.26, 1,188,135.81 and 739,390.57 is: 1,020,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,736.26 : 1,188,135.81 = 739,390.57 : x
  2. Step 2: Convert to fraction form
    860,736.26/1,188,135.81 = 739,390.57/x
  3. Step 3: Cross multiply
    860,736.26x = 1,188,135.81 × 739,390.57
  4. Step 4: Simplify right side
    860,736.26x = 878,496,404,155.68
  5. Step 5: Solve for x
    x = 878,496,404,155.68/860,736.26
  6. Step 6: Final answer
    x = 1,020,633.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.