Home / 1,150,120.44-1,587,172.70-666,972.44

Finding the Fourth Proportional to 1,150,120.44, 1,587,172.70 and 666,972.44

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Solution

The fourth proportional to 1,150,120.44, 1,587,172.70 and 666,972.44 is: 920,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,120.44 : 1,587,172.70 = 666,972.44 : x
  2. Step 2: Convert to fraction form
    1,150,120.44/1,587,172.70 = 666,972.44/x
  3. Step 3: Cross multiply
    1,150,120.44x = 1,587,172.70 × 666,972.44
  4. Step 4: Simplify right side
    1,150,120.44x = 1,058,600,448,420.39
  5. Step 5: Solve for x
    x = 1,058,600,448,420.39/1,150,120.44
  6. Step 6: Final answer
    x = 920,425.73

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1.5x scale

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.