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Finding the Fourth Proportional to 1,180,993.02, 1,629,840.87 and 894,058.62

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Solution

The fourth proportional to 1,180,993.02, 1,629,840.87 and 894,058.62 is: 1,233,854.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,993.02 : 1,629,840.87 = 894,058.62 : x
  2. Step 2: Convert to fraction form
    1,180,993.02/1,629,840.87 = 894,058.62/x
  3. Step 3: Cross multiply
    1,180,993.02x = 1,629,840.87 × 894,058.62
  4. Step 4: Simplify right side
    1,180,993.02x = 1,457,173,279,051.80
  5. Step 5: Solve for x
    x = 1,457,173,279,051.80/1,180,993.02
  6. Step 6: Final answer
    x = 1,233,854.27

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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.