Home / 1,007,297.18-1,511,005-287,583.56

Finding the Fourth Proportional to 1,007,297.18, 1,511,005 and 287,583.56

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Solution

The fourth proportional to 1,007,297.18, 1,511,005 and 287,583.56 is: 431,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,297.18 : 1,511,005 = 287,583.56 : x
  2. Step 2: Convert to fraction form
    1,007,297.18/1,511,005 = 287,583.56/x
  3. Step 3: Cross multiply
    1,007,297.18x = 1,511,005 × 287,583.56
  4. Step 4: Simplify right side
    1,007,297.18x = 434,540,197,077.80
  5. Step 5: Solve for x
    x = 434,540,197,077.80/1,007,297.18
  6. Step 6: Final answer
    x = 431,392.25

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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.