Home / 1,994,132.70-2,990,571.64-645,982.52

Finding the Fourth Proportional to 1,994,132.70, 2,990,571.64 and 645,982.52

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Solution

The fourth proportional to 1,994,132.70, 2,990,571.64 and 645,982.52 is: 968,770.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,132.70 : 2,990,571.64 = 645,982.52 : x
  2. Step 2: Convert to fraction form
    1,994,132.70/2,990,571.64 = 645,982.52/x
  3. Step 3: Cross multiply
    1,994,132.70x = 2,990,571.64 × 645,982.52
  4. Step 4: Simplify right side
    1,994,132.70x = 1,931,857,004,247.73
  5. Step 5: Solve for x
    x = 1,931,857,004,247.73/1,994,132.70
  6. Step 6: Final answer
    x = 968,770.54

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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.