Home / 1,666,891.42-2,500,406.41-484,939.42

Finding the Fourth Proportional to 1,666,891.42, 2,500,406.41 and 484,939.42

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Solution

The fourth proportional to 1,666,891.42, 2,500,406.41 and 484,939.42 is: 727,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,891.42 : 2,500,406.41 = 484,939.42 : x
  2. Step 2: Convert to fraction form
    1,666,891.42/2,500,406.41 = 484,939.42/x
  3. Step 3: Cross multiply
    1,666,891.42x = 2,500,406.41 × 484,939.42
  4. Step 4: Simplify right side
    1,666,891.42x = 1,212,545,634,229.68
  5. Step 5: Solve for x
    x = 1,212,545,634,229.68/1,666,891.42
  6. Step 6: Final answer
    x = 727,429.29

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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.