Home / 1,420,752.15-2,131,969.01-522,824.42

Finding the Fourth Proportional to 1,420,752.15, 2,131,969.01 and 522,824.42

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Solution

The fourth proportional to 1,420,752.15, 2,131,969.01 and 522,824.42 is: 784,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,752.15 : 2,131,969.01 = 522,824.42 : x
  2. Step 2: Convert to fraction form
    1,420,752.15/2,131,969.01 = 522,824.42/x
  3. Step 3: Cross multiply
    1,420,752.15x = 2,131,969.01 × 522,824.42
  4. Step 4: Simplify right side
    1,420,752.15x = 1,114,645,463,827.02
  5. Step 5: Solve for x
    x = 1,114,645,463,827.02/1,420,752.15
  6. Step 6: Final answer
    x = 784,546.03

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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.