Home / 810,664.20-1,214,246.70-670,696.20

Finding the Fourth Proportional to 810,664.20, 1,214,246.70 and 670,696.20

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Solution

The fourth proportional to 810,664.20, 1,214,246.70 and 670,696.20 is: 1,004,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,664.20 : 1,214,246.70 = 670,696.20 : x
  2. Step 2: Convert to fraction form
    810,664.20/1,214,246.70 = 670,696.20/x
  3. Step 3: Cross multiply
    810,664.20x = 1,214,246.70 × 670,696.20
  4. Step 4: Simplify right side
    810,664.20x = 814,390,647,552.54
  5. Step 5: Solve for x
    x = 814,390,647,552.54/810,664.20
  6. Step 6: Final answer
    x = 1,004,596.78

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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.