Home / 1,420,915.36-2,132,213.64-522,987.76

Finding the Fourth Proportional to 1,420,915.36, 2,132,213.64 and 522,987.76

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Solution

The fourth proportional to 1,420,915.36, 2,132,213.64 and 522,987.76 is: 784,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,915.36 : 2,132,213.64 = 522,987.76 : x
  2. Step 2: Convert to fraction form
    1,420,915.36/2,132,213.64 = 522,987.76/x
  3. Step 3: Cross multiply
    1,420,915.36x = 2,132,213.64 × 522,987.76
  4. Step 4: Simplify right side
    1,420,915.36x = 1,115,121,635,425.05
  5. Step 5: Solve for x
    x = 1,115,121,635,425.05/1,420,915.36
  6. Step 6: Final answer
    x = 784,791.03

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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.