Home / 1,420,899.86-2,132,190.39-522,972.26

Finding the Fourth Proportional to 1,420,899.86, 2,132,190.39 and 522,972.26

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Solution

The fourth proportional to 1,420,899.86, 2,132,190.39 and 522,972.26 is: 784,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,899.86 : 2,132,190.39 = 522,972.26 : x
  2. Step 2: Convert to fraction form
    1,420,899.86/2,132,190.39 = 522,972.26/x
  3. Step 3: Cross multiply
    1,420,899.86x = 2,132,190.39 × 522,972.26
  4. Step 4: Simplify right side
    1,420,899.86x = 1,115,076,427,008.58
  5. Step 5: Solve for x
    x = 1,115,076,427,008.58/1,420,899.86
  6. Step 6: Final answer
    x = 784,767.78

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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.