Home / 1,366,259.58-1,885,969.92-1,222,770.42

Finding the Fourth Proportional to 1,366,259.58, 1,885,969.92 and 1,222,770.42

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Solution

The fourth proportional to 1,366,259.58, 1,885,969.92 and 1,222,770.42 is: 1,687,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,259.58 : 1,885,969.92 = 1,222,770.42 : x
  2. Step 2: Convert to fraction form
    1,366,259.58/1,885,969.92 = 1,222,770.42/x
  3. Step 3: Cross multiply
    1,366,259.58x = 1,885,969.92 × 1,222,770.42
  4. Step 4: Simplify right side
    1,366,259.58x = 2,306,108,231,185.77
  5. Step 5: Solve for x
    x = 2,306,108,231,185.77/1,366,259.58
  6. Step 6: Final answer
    x = 1,687,899.04

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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.