Home / 1,998,497.88-2,997,247.46-784,321.11

Finding the Fourth Proportional to 1,998,497.88, 2,997,247.46 and 784,321.11

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Solution

The fourth proportional to 1,998,497.88, 2,997,247.46 and 784,321.11 is: 1,176,285.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,497.88 : 2,997,247.46 = 784,321.11 : x
  2. Step 2: Convert to fraction form
    1,998,497.88/2,997,247.46 = 784,321.11/x
  3. Step 3: Cross multiply
    1,998,497.88x = 2,997,247.46 × 784,321.11
  4. Step 4: Simplify right side
    1,998,497.88x = 2,350,804,450,850.28
  5. Step 5: Solve for x
    x = 2,350,804,450,850.28/1,998,497.88
  6. Step 6: Final answer
    x = 1,176,285.69

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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.