Home / 980,766.80-1,352,964.60-851,529.48

Finding the Fourth Proportional to 980,766.80, 1,352,964.60 and 851,529.48

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Solution

The fourth proportional to 980,766.80, 1,352,964.60 and 851,529.48 is: 1,174,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,766.80 : 1,352,964.60 = 851,529.48 : x
  2. Step 2: Convert to fraction form
    980,766.80/1,352,964.60 = 851,529.48/x
  3. Step 3: Cross multiply
    980,766.80x = 1,352,964.60 × 851,529.48
  4. Step 4: Simplify right side
    980,766.80x = 1,152,089,242,296.41
  5. Step 5: Solve for x
    x = 1,152,089,242,296.41/980,766.80
  6. Step 6: Final answer
    x = 1,174,682.14

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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.