Home / 1,374,540.51-2,062,079.48-415,074.22

Finding the Fourth Proportional to 1,374,540.51, 2,062,079.48 and 415,074.22

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Solution

The fourth proportional to 1,374,540.51, 2,062,079.48 and 415,074.22 is: 622,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,540.51 : 2,062,079.48 = 415,074.22 : x
  2. Step 2: Convert to fraction form
    1,374,540.51/2,062,079.48 = 415,074.22/x
  3. Step 3: Cross multiply
    1,374,540.51x = 2,062,079.48 × 415,074.22
  4. Step 4: Simplify right side
    1,374,540.51x = 855,916,031,739.01
  5. Step 5: Solve for x
    x = 855,916,031,739.01/1,374,540.51
  6. Step 6: Final answer
    x = 622,692.47

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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.