Home / 1,218,432.48-1,827,844.56-419,517.60

Finding the Fourth Proportional to 1,218,432.48, 1,827,844.56 and 419,517.60

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Solution

The fourth proportional to 1,218,432.48, 1,827,844.56 and 419,517.60 is: 629,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,432.48 : 1,827,844.56 = 419,517.60 : x
  2. Step 2: Convert to fraction form
    1,218,432.48/1,827,844.56 = 419,517.60/x
  3. Step 3: Cross multiply
    1,218,432.48x = 1,827,844.56 × 419,517.60
  4. Step 4: Simplify right side
    1,218,432.48x = 766,812,962,984.26
  5. Step 5: Solve for x
    x = 766,812,962,984.26/1,218,432.48
  6. Step 6: Final answer
    x = 629,343.83

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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.