Home / 1,058,141.80-1,587,212.70-722,218.60

Finding the Fourth Proportional to 1,058,141.80, 1,587,212.70 and 722,218.60

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Solution

The fourth proportional to 1,058,141.80, 1,587,212.70 and 722,218.60 is: 1,083,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,141.80 : 1,587,212.70 = 722,218.60 : x
  2. Step 2: Convert to fraction form
    1,058,141.80/1,587,212.70 = 722,218.60/x
  3. Step 3: Cross multiply
    1,058,141.80x = 1,587,212.70 × 722,218.60
  4. Step 4: Simplify right side
    1,058,141.80x = 1,146,314,534,096.22
  5. Step 5: Solve for x
    x = 1,146,314,534,096.22/1,058,141.80
  6. Step 6: Final answer
    x = 1,083,327.90

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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.