Home / 1,277,842.42-1,916,812.23-331,215.94

Finding the Fourth Proportional to 1,277,842.42, 1,916,812.23 and 331,215.94

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Solution

The fourth proportional to 1,277,842.42, 1,916,812.23 and 331,215.94 is: 496,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,842.42 : 1,916,812.23 = 331,215.94 : x
  2. Step 2: Convert to fraction form
    1,277,842.42/1,916,812.23 = 331,215.94/x
  3. Step 3: Cross multiply
    1,277,842.42x = 1,916,812.23 × 331,215.94
  4. Step 4: Simplify right side
    1,277,842.42x = 634,878,764,562.95
  5. Step 5: Solve for x
    x = 634,878,764,562.95/1,277,842.42
  6. Step 6: Final answer
    x = 496,836.51

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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.