Home / 1,409,676.92-1,945,304.73-765,084.18

Finding the Fourth Proportional to 1,409,676.92, 1,945,304.73 and 765,084.18

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Solution

The fourth proportional to 1,409,676.92, 1,945,304.73 and 765,084.18 is: 1,055,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,676.92 : 1,945,304.73 = 765,084.18 : x
  2. Step 2: Convert to fraction form
    1,409,676.92/1,945,304.73 = 765,084.18/x
  3. Step 3: Cross multiply
    1,409,676.92x = 1,945,304.73 × 765,084.18
  4. Step 4: Simplify right side
    1,409,676.92x = 1,488,321,874,202.17
  5. Step 5: Solve for x
    x = 1,488,321,874,202.17/1,409,676.92
  6. Step 6: Final answer
    x = 1,055,789.35

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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.