Home / 1,228,306.38-1,695,019.68-684,414.06

Finding the Fourth Proportional to 1,228,306.38, 1,695,019.68 and 684,414.06

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Solution

The fourth proportional to 1,228,306.38, 1,695,019.68 and 684,414.06 is: 944,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,306.38 : 1,695,019.68 = 684,414.06 : x
  2. Step 2: Convert to fraction form
    1,228,306.38/1,695,019.68 = 684,414.06/x
  3. Step 3: Cross multiply
    1,228,306.38x = 1,695,019.68 × 684,414.06
  4. Step 4: Simplify right side
    1,228,306.38x = 1,160,095,300,968.70
  5. Step 5: Solve for x
    x = 1,160,095,300,968.70/1,228,306.38
  6. Step 6: Final answer
    x = 944,467.37

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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.