Home / 1,138,352.68-1,570,864.89-629,022.25

Finding the Fourth Proportional to 1,138,352.68, 1,570,864.89 and 629,022.25

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Solution

The fourth proportional to 1,138,352.68, 1,570,864.89 and 629,022.25 is: 868,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,352.68 : 1,570,864.89 = 629,022.25 : x
  2. Step 2: Convert to fraction form
    1,138,352.68/1,570,864.89 = 629,022.25/x
  3. Step 3: Cross multiply
    1,138,352.68x = 1,570,864.89 × 629,022.25
  4. Step 4: Simplify right side
    1,138,352.68x = 988,108,967,553.80
  5. Step 5: Solve for x
    x = 988,108,967,553.80/1,138,352.68
  6. Step 6: Final answer
    x = 868,016.55

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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.