Home / 1,420,908.36-2,132,203.20-522,980.64

Finding the Fourth Proportional to 1,420,908.36, 2,132,203.20 and 522,980.64

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Solution

The fourth proportional to 1,420,908.36, 2,132,203.20 and 522,980.64 is: 784,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,908.36 : 2,132,203.20 = 522,980.64 : x
  2. Step 2: Convert to fraction form
    1,420,908.36/2,132,203.20 = 522,980.64/x
  3. Step 3: Cross multiply
    1,420,908.36x = 2,132,203.20 × 522,980.64
  4. Step 4: Simplify right side
    1,420,908.36x = 1,115,100,994,146.05
  5. Step 5: Solve for x
    x = 1,115,100,994,146.05/1,420,908.36
  6. Step 6: Final answer
    x = 784,780.37

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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.