Home / 1,511,372.14-2,267,357.20-431,894.45

Finding the Fourth Proportional to 1,511,372.14, 2,267,357.20 and 431,894.45

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Solution

The fourth proportional to 1,511,372.14, 2,267,357.20 and 431,894.45 is: 647,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,372.14 : 2,267,357.20 = 431,894.45 : x
  2. Step 2: Convert to fraction form
    1,511,372.14/2,267,357.20 = 431,894.45/x
  3. Step 3: Cross multiply
    1,511,372.14x = 2,267,357.20 × 431,894.45
  4. Step 4: Simplify right side
    1,511,372.14x = 979,258,995,436.20
  5. Step 5: Solve for x
    x = 979,258,995,436.20/1,511,372.14
  6. Step 6: Final answer
    x = 647,927.12

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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.