Home / 1,420,902.86-2,132,194.89-522,975.26

Finding the Fourth Proportional to 1,420,902.86, 2,132,194.89 and 522,975.26

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Solution

The fourth proportional to 1,420,902.86, 2,132,194.89 and 522,975.26 is: 784,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,902.86 : 2,132,194.89 = 522,975.26 : x
  2. Step 2: Convert to fraction form
    1,420,902.86/2,132,194.89 = 522,975.26/x
  3. Step 3: Cross multiply
    1,420,902.86x = 2,132,194.89 × 522,975.26
  4. Step 4: Simplify right side
    1,420,902.86x = 1,115,085,176,968.42
  5. Step 5: Solve for x
    x = 1,115,085,176,968.42/1,420,902.86
  6. Step 6: Final answer
    x = 784,772.28

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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.