Home / 1,678,809.30-2,512,855.80-1,324,515.30

Finding the Fourth Proportional to 1,678,809.30, 2,512,855.80 and 1,324,515.30

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Solution

The fourth proportional to 1,678,809.30, 2,512,855.80 and 1,324,515.30 is: 1,982,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,809.30 : 2,512,855.80 = 1,324,515.30 : x
  2. Step 2: Convert to fraction form
    1,678,809.30/2,512,855.80 = 1,324,515.30/x
  3. Step 3: Cross multiply
    1,678,809.30x = 2,512,855.80 × 1,324,515.30
  4. Step 4: Simplify right side
    1,678,809.30x = 3,328,315,953,793.74
  5. Step 5: Solve for x
    x = 3,328,315,953,793.74/1,678,809.30
  6. Step 6: Final answer
    x = 1,982,545.58

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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.