Home / 1,242,505.87-1,863,297.33-432,682.32

Finding the Fourth Proportional to 1,242,505.87, 1,863,297.33 and 432,682.32

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Solution

The fourth proportional to 1,242,505.87, 1,863,297.33 and 432,682.32 is: 648,862.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,505.87 : 1,863,297.33 = 432,682.32 : x
  2. Step 2: Convert to fraction form
    1,242,505.87/1,863,297.33 = 432,682.32/x
  3. Step 3: Cross multiply
    1,242,505.87x = 1,863,297.33 × 432,682.32
  4. Step 4: Simplify right side
    1,242,505.87x = 806,215,811,594.21
  5. Step 5: Solve for x
    x = 806,215,811,594.21/1,242,505.87
  6. Step 6: Final answer
    x = 648,862.78

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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.