Home / 1,269,828.66-1,752,442.30-839,362.26

Finding the Fourth Proportional to 1,269,828.66, 1,752,442.30 and 839,362.26

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Solution

The fourth proportional to 1,269,828.66, 1,752,442.30 and 839,362.26 is: 1,158,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,828.66 : 1,752,442.30 = 839,362.26 : x
  2. Step 2: Convert to fraction form
    1,269,828.66/1,752,442.30 = 839,362.26/x
  3. Step 3: Cross multiply
    1,269,828.66x = 1,752,442.30 × 839,362.26
  4. Step 4: Simplify right side
    1,269,828.66x = 1,470,933,929,447.60
  5. Step 5: Solve for x
    x = 1,470,933,929,447.60/1,269,828.66
  6. Step 6: Final answer
    x = 1,158,371.97

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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.