Home / 1,948,145.60-2,920,144.80-749,604.80

Finding the Fourth Proportional to 1,948,145.60, 2,920,144.80 and 749,604.80

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Solution

The fourth proportional to 1,948,145.60, 2,920,144.80 and 749,604.80 is: 1,123,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,145.60 : 2,920,144.80 = 749,604.80 : x
  2. Step 2: Convert to fraction form
    1,948,145.60/2,920,144.80 = 749,604.80/x
  3. Step 3: Cross multiply
    1,948,145.60x = 2,920,144.80 × 749,604.80
  4. Step 4: Simplify right side
    1,948,145.60x = 2,188,954,558,775.04
  5. Step 5: Solve for x
    x = 2,188,954,558,775.04/1,948,145.60
  6. Step 6: Final answer
    x = 1,123,609.32

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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.