Home / 1,091,465.98-1,505,416.17-800,979.42

Finding the Fourth Proportional to 1,091,465.98, 1,505,416.17 and 800,979.42

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Solution

The fourth proportional to 1,091,465.98, 1,505,416.17 and 800,979.42 is: 1,104,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,465.98 : 1,505,416.17 = 800,979.42 : x
  2. Step 2: Convert to fraction form
    1,091,465.98/1,505,416.17 = 800,979.42/x
  3. Step 3: Cross multiply
    1,091,465.98x = 1,505,416.17 × 800,979.42
  4. Step 4: Simplify right side
    1,091,465.98x = 1,205,807,366,584.38
  5. Step 5: Solve for x
    x = 1,205,807,366,584.38/1,091,465.98
  6. Step 6: Final answer
    x = 1,104,759.46

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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.