Home / 1,129,992.96-1,694,992.20-277,068.36

Finding the Fourth Proportional to 1,129,992.96, 1,694,992.20 and 277,068.36

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Solution

The fourth proportional to 1,129,992.96, 1,694,992.20 and 277,068.36 is: 415,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,992.96 : 1,694,992.20 = 277,068.36 : x
  2. Step 2: Convert to fraction form
    1,129,992.96/1,694,992.20 = 277,068.36/x
  3. Step 3: Cross multiply
    1,129,992.96x = 1,694,992.20 × 277,068.36
  4. Step 4: Simplify right side
    1,129,992.96x = 469,628,709,066.79
  5. Step 5: Solve for x
    x = 469,628,709,066.79/1,129,992.96
  6. Step 6: Final answer
    x = 415,603.22

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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.