Home / 1,942,995.20-2,914,492.80-613,299.20

Finding the Fourth Proportional to 1,942,995.20, 2,914,492.80 and 613,299.20

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Solution

The fourth proportional to 1,942,995.20, 2,914,492.80 and 613,299.20 is: 919,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,995.20 : 2,914,492.80 = 613,299.20 : x
  2. Step 2: Convert to fraction form
    1,942,995.20/2,914,492.80 = 613,299.20/x
  3. Step 3: Cross multiply
    1,942,995.20x = 2,914,492.80 × 613,299.20
  4. Step 4: Simplify right side
    1,942,995.20x = 1,787,456,102,645.76
  5. Step 5: Solve for x
    x = 1,787,456,102,645.76/1,942,995.20
  6. Step 6: Final answer
    x = 919,948.80

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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.