Home / 1,192,287.78-1,645,779.60-708,850.44

Finding the Fourth Proportional to 1,192,287.78, 1,645,779.60 and 708,850.44

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Solution

The fourth proportional to 1,192,287.78, 1,645,779.60 and 708,850.44 is: 978,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,287.78 : 1,645,779.60 = 708,850.44 : x
  2. Step 2: Convert to fraction form
    1,192,287.78/1,645,779.60 = 708,850.44/x
  3. Step 3: Cross multiply
    1,192,287.78x = 1,645,779.60 × 708,850.44
  4. Step 4: Simplify right side
    1,192,287.78x = 1,166,611,593,603.02
  5. Step 5: Solve for x
    x = 1,166,611,593,603.02/1,192,287.78
  6. Step 6: Final answer
    x = 978,464.77

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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.