Home / 988,660.40-1,481,824.20-739,050.80

Finding the Fourth Proportional to 988,660.40, 1,481,824.20 and 739,050.80

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Solution

The fourth proportional to 988,660.40, 1,481,824.20 and 739,050.80 is: 1,107,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,660.40 : 1,481,824.20 = 739,050.80 : x
  2. Step 2: Convert to fraction form
    988,660.40/1,481,824.20 = 739,050.80/x
  3. Step 3: Cross multiply
    988,660.40x = 1,481,824.20 × 739,050.80
  4. Step 4: Simplify right side
    988,660.40x = 1,095,143,360,469.36
  5. Step 5: Solve for x
    x = 1,095,143,360,469.36/988,660.40
  6. Step 6: Final answer
    x = 1,107,704.28

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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.