Home / 837,439.76-1,250,487.21-664,723.73

Finding the Fourth Proportional to 837,439.76, 1,250,487.21 and 664,723.73

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Solution

The fourth proportional to 837,439.76, 1,250,487.21 and 664,723.73 is: 992,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,439.76 : 1,250,487.21 = 664,723.73 : x
  2. Step 2: Convert to fraction form
    837,439.76/1,250,487.21 = 664,723.73/x
  3. Step 3: Cross multiply
    837,439.76x = 1,250,487.21 × 664,723.73
  4. Step 4: Simplify right side
    837,439.76x = 831,228,519,224.88
  5. Step 5: Solve for x
    x = 831,228,519,224.88/837,439.76
  6. Step 6: Final answer
    x = 992,583.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.