Home / 837,361.85-1,155,819.54-665,584.62

Finding the Fourth Proportional to 837,361.85, 1,155,819.54 and 665,584.62

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Solution

The fourth proportional to 837,361.85, 1,155,819.54 and 665,584.62 is: 918,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,361.85 : 1,155,819.54 = 665,584.62 : x
  2. Step 2: Convert to fraction form
    837,361.85/1,155,819.54 = 665,584.62/x
  3. Step 3: Cross multiply
    837,361.85x = 1,155,819.54 × 665,584.62
  4. Step 4: Simplify right side
    837,361.85x = 769,295,709,319.48
  5. Step 5: Solve for x
    x = 769,295,709,319.48/837,361.85
  6. Step 6: Final answer
    x = 918,713.59

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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.