Home / 1,691,929.80-2,537,304.39-680,789.79

Finding the Fourth Proportional to 1,691,929.80, 2,537,304.39 and 680,789.79

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Solution

The fourth proportional to 1,691,929.80, 2,537,304.39 and 680,789.79 is: 1,020,947.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,929.80 : 2,537,304.39 = 680,789.79 : x
  2. Step 2: Convert to fraction form
    1,691,929.80/2,537,304.39 = 680,789.79/x
  3. Step 3: Cross multiply
    1,691,929.80x = 2,537,304.39 × 680,789.79
  4. Step 4: Simplify right side
    1,691,929.80x = 1,727,370,922,834.18
  5. Step 5: Solve for x
    x = 1,727,370,922,834.18/1,691,929.80
  6. Step 6: Final answer
    x = 1,020,947.16

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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.