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Finding the Fourth Proportional to 1,381,361, 2,072,158.86 and 384,089

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Solution

The fourth proportional to 1,381,361, 2,072,158.86 and 384,089 is: 576,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,361 : 2,072,158.86 = 384,089 : x
  2. Step 2: Convert to fraction form
    1,381,361/2,072,158.86 = 384,089/x
  3. Step 3: Cross multiply
    1,381,361x = 2,072,158.86 × 384,089
  4. Step 4: Simplify right side
    1,381,361x = 795,893,424,378.54
  5. Step 5: Solve for x
    x = 795,893,424,378.54/1,381,361
  6. Step 6: Final answer
    x = 576,166.13

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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.