Home / 1,420,930.98-2,129,960.01-611,843.04

Finding the Fourth Proportional to 1,420,930.98, 2,129,960.01 and 611,843.04

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Solution

The fourth proportional to 1,420,930.98, 2,129,960.01 and 611,843.04 is: 917,146.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,930.98 : 2,129,960.01 = 611,843.04 : x
  2. Step 2: Convert to fraction form
    1,420,930.98/2,129,960.01 = 611,843.04/x
  3. Step 3: Cross multiply
    1,420,930.98x = 2,129,960.01 × 611,843.04
  4. Step 4: Simplify right side
    1,420,930.98x = 1,303,201,207,596.83
  5. Step 5: Solve for x
    x = 1,303,201,207,596.83/1,420,930.98
  6. Step 6: Final answer
    x = 917,146.03

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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.