Home / 1,511,442.32-2,267,462.40-431,964.56

Finding the Fourth Proportional to 1,511,442.32, 2,267,462.40 and 431,964.56

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Solution

The fourth proportional to 1,511,442.32, 2,267,462.40 and 431,964.56 is: 648,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,442.32 : 2,267,462.40 = 431,964.56 : x
  2. Step 2: Convert to fraction form
    1,511,442.32/2,267,462.40 = 431,964.56/x
  3. Step 3: Cross multiply
    1,511,442.32x = 2,267,462.40 × 431,964.56
  4. Step 4: Simplify right side
    1,511,442.32x = 979,463,397,932.54
  5. Step 5: Solve for x
    x = 979,463,397,932.54/1,511,442.32
  6. Step 6: Final answer
    x = 648,032.27

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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.