Home / 1,918,254.80-2,647,003.21-1,058,759.69

Finding the Fourth Proportional to 1,918,254.80, 2,647,003.21 and 1,058,759.69

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Solution

The fourth proportional to 1,918,254.80, 2,647,003.21 and 1,058,759.69 is: 1,460,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,254.80 : 2,647,003.21 = 1,058,759.69 : x
  2. Step 2: Convert to fraction form
    1,918,254.80/2,647,003.21 = 1,058,759.69/x
  3. Step 3: Cross multiply
    1,918,254.80x = 2,647,003.21 × 1,058,759.69
  4. Step 4: Simplify right side
    1,918,254.80x = 2,802,540,315,667.35
  5. Step 5: Solve for x
    x = 2,802,540,315,667.35/1,918,254.80
  6. Step 6: Final answer
    x = 1,460,984.39

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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.