Home / 814,265.10-1,222,381.80-808,360.20

Finding the Fourth Proportional to 814,265.10, 1,222,381.80 and 808,360.20

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Solution

The fourth proportional to 814,265.10, 1,222,381.80 and 808,360.20 is: 1,213,517.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,265.10 : 1,222,381.80 = 808,360.20 : x
  2. Step 2: Convert to fraction form
    814,265.10/1,222,381.80 = 808,360.20/x
  3. Step 3: Cross multiply
    814,265.10x = 1,222,381.80 × 808,360.20
  4. Step 4: Simplify right side
    814,265.10x = 988,124,796,324.36
  5. Step 5: Solve for x
    x = 988,124,796,324.36/814,265.10
  6. Step 6: Final answer
    x = 1,213,517.31

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1.5x scale

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.