Home / 1,119,297.20-1,544,684.90-629,420.90

Finding the Fourth Proportional to 1,119,297.20, 1,544,684.90 and 629,420.90

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Solution

The fourth proportional to 1,119,297.20, 1,544,684.90 and 629,420.90 is: 868,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,297.20 : 1,544,684.90 = 629,420.90 : x
  2. Step 2: Convert to fraction form
    1,119,297.20/1,544,684.90 = 629,420.90/x
  3. Step 3: Cross multiply
    1,119,297.20x = 1,544,684.90 × 629,420.90
  4. Step 4: Simplify right side
    1,119,297.20x = 972,256,949,103.88
  5. Step 5: Solve for x
    x = 972,256,949,103.88/1,119,297.20
  6. Step 6: Final answer
    x = 868,631.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.