Home / 814,268.10-1,222,386.30-808,363.20

Finding the Fourth Proportional to 814,268.10, 1,222,386.30 and 808,363.20

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Solution

The fourth proportional to 814,268.10, 1,222,386.30 and 808,363.20 is: 1,213,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,268.10 : 1,222,386.30 = 808,363.20 : x
  2. Step 2: Convert to fraction form
    814,268.10/1,222,386.30 = 808,363.20/x
  3. Step 3: Cross multiply
    814,268.10x = 1,222,386.30 × 808,363.20
  4. Step 4: Simplify right side
    814,268.10x = 988,132,101,104.16
  5. Step 5: Solve for x
    x = 988,132,101,104.16/814,268.10
  6. Step 6: Final answer
    x = 1,213,521.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.