Home / 1,150,287.66-1,587,210.21-666,758.34

Finding the Fourth Proportional to 1,150,287.66, 1,587,210.21 and 666,758.34

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Solution

The fourth proportional to 1,150,287.66, 1,587,210.21 and 666,758.34 is: 920,018.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,287.66 : 1,587,210.21 = 666,758.34 : x
  2. Step 2: Convert to fraction form
    1,150,287.66/1,587,210.21 = 666,758.34/x
  3. Step 3: Cross multiply
    1,150,287.66x = 1,587,210.21 × 666,758.34
  4. Step 4: Simplify right side
    1,150,287.66x = 1,058,285,644,850.65
  5. Step 5: Solve for x
    x = 1,058,285,644,850.65/1,150,287.66
  6. Step 6: Final answer
    x = 920,018.25

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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.