Home / 1,511,389.14-2,267,382.72-431,911.38

Finding the Fourth Proportional to 1,511,389.14, 2,267,382.72 and 431,911.38

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Solution

The fourth proportional to 1,511,389.14, 2,267,382.72 and 431,911.38 is: 647,952.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,389.14 : 2,267,382.72 = 431,911.38 : x
  2. Step 2: Convert to fraction form
    1,511,389.14/2,267,382.72 = 431,911.38/x
  3. Step 3: Cross multiply
    1,511,389.14x = 2,267,382.72 × 431,911.38
  4. Step 4: Simplify right side
    1,511,389.14x = 979,308,399,583.35
  5. Step 5: Solve for x
    x = 979,308,399,583.35/1,511,389.14
  6. Step 6: Final answer
    x = 647,952.52

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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.