Home / 1,229,545.90-1,696,770.05-685,682.29

Finding the Fourth Proportional to 1,229,545.90, 1,696,770.05 and 685,682.29

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Solution

The fourth proportional to 1,229,545.90, 1,696,770.05 and 685,682.29 is: 946,239.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,545.90 : 1,696,770.05 = 685,682.29 : x
  2. Step 2: Convert to fraction form
    1,229,545.90/1,696,770.05 = 685,682.29/x
  3. Step 3: Cross multiply
    1,229,545.90x = 1,696,770.05 × 685,682.29
  4. Step 4: Simplify right side
    1,229,545.90x = 1,163,445,172,179.97
  5. Step 5: Solve for x
    x = 1,163,445,172,179.97/1,229,545.90
  6. Step 6: Final answer
    x = 946,239.72

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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.