Home / 1,609,982.80-2,414,974.20-770,174.80

Finding the Fourth Proportional to 1,609,982.80, 2,414,974.20 and 770,174.80

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Solution

The fourth proportional to 1,609,982.80, 2,414,974.20 and 770,174.80 is: 1,155,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,982.80 : 2,414,974.20 = 770,174.80 : x
  2. Step 2: Convert to fraction form
    1,609,982.80/2,414,974.20 = 770,174.80/x
  3. Step 3: Cross multiply
    1,609,982.80x = 2,414,974.20 × 770,174.80
  4. Step 4: Simplify right side
    1,609,982.80x = 1,859,952,271,490.16
  5. Step 5: Solve for x
    x = 1,859,952,271,490.16/1,609,982.80
  6. Step 6: Final answer
    x = 1,155,262.20

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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.