Home / 1,067,921.80-1,601,882.70-436,625.80

Finding the Fourth Proportional to 1,067,921.80, 1,601,882.70 and 436,625.80

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Solution

The fourth proportional to 1,067,921.80, 1,601,882.70 and 436,625.80 is: 654,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,921.80 : 1,601,882.70 = 436,625.80 : x
  2. Step 2: Convert to fraction form
    1,067,921.80/1,601,882.70 = 436,625.80/x
  3. Step 3: Cross multiply
    1,067,921.80x = 1,601,882.70 × 436,625.80
  4. Step 4: Simplify right side
    1,067,921.80x = 699,423,315,393.66
  5. Step 5: Solve for x
    x = 699,423,315,393.66/1,067,921.80
  6. Step 6: Final answer
    x = 654,938.70

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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.