Home / 1,313,067.42-1,968,862.37-414,341.64

Finding the Fourth Proportional to 1,313,067.42, 1,968,862.37 and 414,341.64

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Solution

The fourth proportional to 1,313,067.42, 1,968,862.37 and 414,341.64 is: 621,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,067.42 : 1,968,862.37 = 414,341.64 : x
  2. Step 2: Convert to fraction form
    1,313,067.42/1,968,862.37 = 414,341.64/x
  3. Step 3: Cross multiply
    1,313,067.42x = 1,968,862.37 × 414,341.64
  4. Step 4: Simplify right side
    1,313,067.42x = 815,781,661,248.38
  5. Step 5: Solve for x
    x = 815,781,661,248.38/1,313,067.42
  6. Step 6: Final answer
    x = 621,279.34

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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.