Home / 1,219,993.36-1,829,471.60-499,839.28

Finding the Fourth Proportional to 1,219,993.36, 1,829,471.60 and 499,839.28

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Solution

The fourth proportional to 1,219,993.36, 1,829,471.60 and 499,839.28 is: 749,546.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,993.36 : 1,829,471.60 = 499,839.28 : x
  2. Step 2: Convert to fraction form
    1,219,993.36/1,829,471.60 = 499,839.28/x
  3. Step 3: Cross multiply
    1,219,993.36x = 1,829,471.60 × 499,839.28
  4. Step 4: Simplify right side
    1,219,993.36x = 914,441,767,324.45
  5. Step 5: Solve for x
    x = 914,441,767,324.45/1,219,993.36
  6. Step 6: Final answer
    x = 749,546.51

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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.