Home / 1,497,200.75-2,247,399.45-644,694.48

Finding the Fourth Proportional to 1,497,200.75, 2,247,399.45 and 644,694.48

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Solution

The fourth proportional to 1,497,200.75, 2,247,399.45 and 644,694.48 is: 967,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,200.75 : 2,247,399.45 = 644,694.48 : x
  2. Step 2: Convert to fraction form
    1,497,200.75/2,247,399.45 = 644,694.48/x
  3. Step 3: Cross multiply
    1,497,200.75x = 2,247,399.45 × 644,694.48
  4. Step 4: Simplify right side
    1,497,200.75x = 1,448,886,019,770.04
  5. Step 5: Solve for x
    x = 1,448,886,019,770.04/1,497,200.75
  6. Step 6: Final answer
    x = 967,729.96

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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.