Home / 812,622.60-1,216,169.10-713,089.80

Finding the Fourth Proportional to 812,622.60, 1,216,169.10 and 713,089.80

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Solution

The fourth proportional to 812,622.60, 1,216,169.10 and 713,089.80 is: 1,067,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,622.60 : 1,216,169.10 = 713,089.80 : x
  2. Step 2: Convert to fraction form
    812,622.60/1,216,169.10 = 713,089.80/x
  3. Step 3: Cross multiply
    812,622.60x = 1,216,169.10 × 713,089.80
  4. Step 4: Simplify right side
    812,622.60x = 867,237,780,285.18
  5. Step 5: Solve for x
    x = 867,237,780,285.18/812,622.60
  6. Step 6: Final answer
    x = 1,067,208.54

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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.