Home / 1,628,849.70-2,247,872.65-984,145.34

Finding the Fourth Proportional to 1,628,849.70, 2,247,872.65 and 984,145.34

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Solution

The fourth proportional to 1,628,849.70, 2,247,872.65 and 984,145.34 is: 1,358,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,849.70 : 2,247,872.65 = 984,145.34 : x
  2. Step 2: Convert to fraction form
    1,628,849.70/2,247,872.65 = 984,145.34/x
  3. Step 3: Cross multiply
    1,628,849.70x = 2,247,872.65 × 984,145.34
  4. Step 4: Simplify right side
    1,628,849.70x = 2,212,233,377,250.86
  5. Step 5: Solve for x
    x = 2,212,233,377,250.86/1,628,849.70
  6. Step 6: Final answer
    x = 1,358,156.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.