Home / 1,384,871.92-2,080,961.10-745,648.27

Finding the Fourth Proportional to 1,384,871.92, 2,080,961.10 and 745,648.27

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Solution

The fourth proportional to 1,384,871.92, 2,080,961.10 and 745,648.27 is: 1,120,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,871.92 : 2,080,961.10 = 745,648.27 : x
  2. Step 2: Convert to fraction form
    1,384,871.92/2,080,961.10 = 745,648.27/x
  3. Step 3: Cross multiply
    1,384,871.92x = 2,080,961.10 × 745,648.27
  4. Step 4: Simplify right side
    1,384,871.92x = 1,551,665,044,152.30
  5. Step 5: Solve for x
    x = 1,551,665,044,152.30/1,384,871.92
  6. Step 6: Final answer
    x = 1,120,439.39

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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.