Home / 1,217,473.25-1,680,118.85-680,929.25

Finding the Fourth Proportional to 1,217,473.25, 1,680,118.85 and 680,929.25

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Solution

The fourth proportional to 1,217,473.25, 1,680,118.85 and 680,929.25 is: 939,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,473.25 : 1,680,118.85 = 680,929.25 : x
  2. Step 2: Convert to fraction form
    1,217,473.25/1,680,118.85 = 680,929.25/x
  3. Step 3: Cross multiply
    1,217,473.25x = 1,680,118.85 × 680,929.25
  4. Step 4: Simplify right side
    1,217,473.25x = 1,144,042,065,036.72
  5. Step 5: Solve for x
    x = 1,144,042,065,036.72/1,217,473.25
  6. Step 6: Final answer
    x = 939,685.59

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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.