Home / 980,872.80-1,471,309.20-814,984.80

Finding the Fourth Proportional to 980,872.80, 1,471,309.20 and 814,984.80

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Solution

The fourth proportional to 980,872.80, 1,471,309.20 and 814,984.80 is: 1,222,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,872.80 : 1,471,309.20 = 814,984.80 : x
  2. Step 2: Convert to fraction form
    980,872.80/1,471,309.20 = 814,984.80/x
  3. Step 3: Cross multiply
    980,872.80x = 1,471,309.20 × 814,984.80
  4. Step 4: Simplify right side
    980,872.80x = 1,199,094,634,100.16
  5. Step 5: Solve for x
    x = 1,199,094,634,100.16/980,872.80
  6. Step 6: Final answer
    x = 1,222,477.20

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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.