Home / 1,150,118.43-1,587,169.94-666,970.44

Finding the Fourth Proportional to 1,150,118.43, 1,587,169.94 and 666,970.44

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Solution

The fourth proportional to 1,150,118.43, 1,587,169.94 and 666,970.44 is: 920,422.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,118.43 : 1,587,169.94 = 666,970.44 : x
  2. Step 2: Convert to fraction form
    1,150,118.43/1,587,169.94 = 666,970.44/x
  3. Step 3: Cross multiply
    1,150,118.43x = 1,587,169.94 × 666,970.44
  4. Step 4: Simplify right side
    1,150,118.43x = 1,058,595,433,236.57
  5. Step 5: Solve for x
    x = 1,058,595,433,236.57/1,150,118.43
  6. Step 6: Final answer
    x = 920,422.98

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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.