Home / 1,431,652-1,975,629.40-787,067.52

Finding the Fourth Proportional to 1,431,652, 1,975,629.40 and 787,067.52

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Solution

The fourth proportional to 1,431,652, 1,975,629.40 and 787,067.52 is: 1,086,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,652 : 1,975,629.40 = 787,067.52 : x
  2. Step 2: Convert to fraction form
    1,431,652/1,975,629.40 = 787,067.52/x
  3. Step 3: Cross multiply
    1,431,652x = 1,975,629.40 × 787,067.52
  4. Step 4: Simplify right side
    1,431,652x = 1,554,953,732,297.09
  5. Step 5: Solve for x
    x = 1,554,953,732,297.09/1,431,652
  6. Step 6: Final answer
    x = 1,086,125.49

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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.