Home / 1,087,942.29-1,631,925.73-329,777.73

Finding the Fourth Proportional to 1,087,942.29, 1,631,925.73 and 329,777.73

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Solution

The fourth proportional to 1,087,942.29, 1,631,925.73 and 329,777.73 is: 494,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,942.29 : 1,631,925.73 = 329,777.73 : x
  2. Step 2: Convert to fraction form
    1,087,942.29/1,631,925.73 = 329,777.73/x
  3. Step 3: Cross multiply
    1,087,942.29x = 1,631,925.73 × 329,777.73
  4. Step 4: Simplify right side
    1,087,942.29x = 538,172,763,180.22
  5. Step 5: Solve for x
    x = 538,172,763,180.22/1,087,942.29
  6. Step 6: Final answer
    x = 494,670.32

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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.