Home / 822,628.80-1,233,943.20-717,652.80

Finding the Fourth Proportional to 822,628.80, 1,233,943.20 and 717,652.80

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Solution

The fourth proportional to 822,628.80, 1,233,943.20 and 717,652.80 is: 1,076,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,628.80 : 1,233,943.20 = 717,652.80 : x
  2. Step 2: Convert to fraction form
    822,628.80/1,233,943.20 = 717,652.80/x
  3. Step 3: Cross multiply
    822,628.80x = 1,233,943.20 × 717,652.80
  4. Step 4: Simplify right side
    822,628.80x = 885,542,792,520.96
  5. Step 5: Solve for x
    x = 885,542,792,520.96/822,628.80
  6. Step 6: Final answer
    x = 1,076,479.20

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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.