Home / 1,150,279.43-1,587,198.90-666,750.11

Finding the Fourth Proportional to 1,150,279.43, 1,587,198.90 and 666,750.11

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Solution

The fourth proportional to 1,150,279.43, 1,587,198.90 and 666,750.11 is: 920,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,279.43 : 1,587,198.90 = 666,750.11 : x
  2. Step 2: Convert to fraction form
    1,150,279.43/1,587,198.90 = 666,750.11/x
  3. Step 3: Cross multiply
    1,150,279.43x = 1,587,198.90 × 666,750.11
  4. Step 4: Simplify right side
    1,150,279.43x = 1,058,265,041,166.88
  5. Step 5: Solve for x
    x = 1,058,265,041,166.88/1,150,279.43
  6. Step 6: Final answer
    x = 920,006.92

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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.