Home / 1,222,765.10-1,684,640.13-946,171.96

Finding the Fourth Proportional to 1,222,765.10, 1,684,640.13 and 946,171.96

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Solution

The fourth proportional to 1,222,765.10, 1,684,640.13 and 946,171.96 is: 1,303,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,765.10 : 1,684,640.13 = 946,171.96 : x
  2. Step 2: Convert to fraction form
    1,222,765.10/1,684,640.13 = 946,171.96/x
  3. Step 3: Cross multiply
    1,222,765.10x = 1,684,640.13 × 946,171.96
  4. Step 4: Simplify right side
    1,222,765.10x = 1,593,959,253,696.75
  5. Step 5: Solve for x
    x = 1,593,959,253,696.75/1,222,765.10
  6. Step 6: Final answer
    x = 1,303,569.47

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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.