Home / 673,026.13-1,007,169.48-420,425.56

Finding the Fourth Proportional to 673,026.13, 1,007,169.48 and 420,425.56

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Solution

The fourth proportional to 673,026.13, 1,007,169.48 and 420,425.56 is: 629,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,026.13 : 1,007,169.48 = 420,425.56 : x
  2. Step 2: Convert to fraction form
    673,026.13/1,007,169.48 = 420,425.56/x
  3. Step 3: Cross multiply
    673,026.13x = 1,007,169.48 × 420,425.56
  4. Step 4: Simplify right side
    673,026.13x = 423,439,792,643.91
  5. Step 5: Solve for x
    x = 423,439,792,643.91/673,026.13
  6. Step 6: Final answer
    x = 629,158.03

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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.