Home / 814,269.10-1,222,387.80-808,364.20

Finding the Fourth Proportional to 814,269.10, 1,222,387.80 and 808,364.20

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Solution

The fourth proportional to 814,269.10, 1,222,387.80 and 808,364.20 is: 1,213,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,269.10 : 1,222,387.80 = 808,364.20 : x
  2. Step 2: Convert to fraction form
    814,269.10/1,222,387.80 = 808,364.20/x
  3. Step 3: Cross multiply
    814,269.10x = 1,222,387.80 × 808,364.20
  4. Step 4: Simplify right side
    814,269.10x = 988,134,536,036.76
  5. Step 5: Solve for x
    x = 988,134,536,036.76/814,269.10
  6. Step 6: Final answer
    x = 1,213,523.31

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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.