Home / 1,150,277.79-1,587,389.67-667,129.44

Finding the Fourth Proportional to 1,150,277.79, 1,587,389.67 and 667,129.44

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Solution

The fourth proportional to 1,150,277.79, 1,587,389.67 and 667,129.44 is: 920,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,277.79 : 1,587,389.67 = 667,129.44 : x
  2. Step 2: Convert to fraction form
    1,150,277.79/1,587,389.67 = 667,129.44/x
  3. Step 3: Cross multiply
    1,150,277.79x = 1,587,389.67 × 667,129.44
  4. Step 4: Simplify right side
    1,150,277.79x = 1,058,994,381,608.88
  5. Step 5: Solve for x
    x = 1,058,994,381,608.88/1,150,277.79
  6. Step 6: Final answer
    x = 920,642.29

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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.