Home / 1,420,671.13-2,131,847.44-522,743.43

Finding the Fourth Proportional to 1,420,671.13, 2,131,847.44 and 522,743.43

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Solution

The fourth proportional to 1,420,671.13, 2,131,847.44 and 522,743.43 is: 784,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,671.13 : 2,131,847.44 = 522,743.43 : x
  2. Step 2: Convert to fraction form
    1,420,671.13/2,131,847.44 = 522,743.43/x
  3. Step 3: Cross multiply
    1,420,671.13x = 2,131,847.44 × 522,743.43
  4. Step 4: Simplify right side
    1,420,671.13x = 1,114,409,243,022.32
  5. Step 5: Solve for x
    x = 1,114,409,243,022.32/1,420,671.13
  6. Step 6: Final answer
    x = 784,424.50

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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.