Home / 1,511,642.25-2,267,507.12-389,711.25

Finding the Fourth Proportional to 1,511,642.25, 2,267,507.12 and 389,711.25

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Solution

The fourth proportional to 1,511,642.25, 2,267,507.12 and 389,711.25 is: 584,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,642.25 : 2,267,507.12 = 389,711.25 : x
  2. Step 2: Convert to fraction form
    1,511,642.25/2,267,507.12 = 389,711.25/x
  3. Step 3: Cross multiply
    1,511,642.25x = 2,267,507.12 × 389,711.25
  4. Step 4: Simplify right side
    1,511,642.25x = 883,673,032,170.54
  5. Step 5: Solve for x
    x = 883,673,032,170.54/1,511,642.25
  6. Step 6: Final answer
    x = 584,578.15

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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.