Home / 1,138,397.48-1,570,926.60-629,067

Finding the Fourth Proportional to 1,138,397.48, 1,570,926.60 and 629,067

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Solution

The fourth proportional to 1,138,397.48, 1,570,926.60 and 629,067 is: 868,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,397.48 : 1,570,926.60 = 629,067 : x
  2. Step 2: Convert to fraction form
    1,138,397.48/1,570,926.60 = 629,067/x
  3. Step 3: Cross multiply
    1,138,397.48x = 1,570,926.60 × 629,067
  4. Step 4: Simplify right side
    1,138,397.48x = 988,218,083,482.20
  5. Step 5: Solve for x
    x = 988,218,083,482.20/1,138,397.48
  6. Step 6: Final answer
    x = 868,078.24

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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.