Home / 1,668,992.31-2,303,209.38-905,046.48

Finding the Fourth Proportional to 1,668,992.31, 2,303,209.38 and 905,046.48

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Solution

The fourth proportional to 1,668,992.31, 2,303,209.38 and 905,046.48 is: 1,248,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,992.31 : 2,303,209.38 = 905,046.48 : x
  2. Step 2: Convert to fraction form
    1,668,992.31/2,303,209.38 = 905,046.48/x
  3. Step 3: Cross multiply
    1,668,992.31x = 2,303,209.38 × 905,046.48
  4. Step 4: Simplify right side
    1,668,992.31x = 2,084,511,542,071.98
  5. Step 5: Solve for x
    x = 2,084,511,542,071.98/1,668,992.31
  6. Step 6: Final answer
    x = 1,248,964.14

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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.