Home / 1,399,834.88-2,100,084.80-453,205.12

Finding the Fourth Proportional to 1,399,834.88, 2,100,084.80 and 453,205.12

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Solution

The fourth proportional to 1,399,834.88, 2,100,084.80 and 453,205.12 is: 679,915.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,834.88 : 2,100,084.80 = 453,205.12 : x
  2. Step 2: Convert to fraction form
    1,399,834.88/2,100,084.80 = 453,205.12/x
  3. Step 3: Cross multiply
    1,399,834.88x = 2,100,084.80 × 453,205.12
  4. Step 4: Simplify right side
    1,399,834.88x = 951,769,183,794.18
  5. Step 5: Solve for x
    x = 951,769,183,794.18/1,399,834.88
  6. Step 6: Final answer
    x = 679,915.32

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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.