Home / 1,229,505.44-1,696,724.90-685,675.60

Finding the Fourth Proportional to 1,229,505.44, 1,696,724.90 and 685,675.60

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Solution

The fourth proportional to 1,229,505.44, 1,696,724.90 and 685,675.60 is: 946,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,505.44 : 1,696,724.90 = 685,675.60 : x
  2. Step 2: Convert to fraction form
    1,229,505.44/1,696,724.90 = 685,675.60/x
  3. Step 3: Cross multiply
    1,229,505.44x = 1,696,724.90 × 685,675.60
  4. Step 4: Simplify right side
    1,229,505.44x = 1,163,402,863,842.44
  5. Step 5: Solve for x
    x = 1,163,402,863,842.44/1,229,505.44
  6. Step 6: Final answer
    x = 946,236.45

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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.