Home / 1,192,002.40-1,788,003.60-518,843.80

Finding the Fourth Proportional to 1,192,002.40, 1,788,003.60 and 518,843.80

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Solution

The fourth proportional to 1,192,002.40, 1,788,003.60 and 518,843.80 is: 778,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,002.40 : 1,788,003.60 = 518,843.80 : x
  2. Step 2: Convert to fraction form
    1,192,002.40/1,788,003.60 = 518,843.80/x
  3. Step 3: Cross multiply
    1,192,002.40x = 1,788,003.60 × 518,843.80
  4. Step 4: Simplify right side
    1,192,002.40x = 927,694,582,237.68
  5. Step 5: Solve for x
    x = 927,694,582,237.68/1,192,002.40
  6. Step 6: Final answer
    x = 778,265.70

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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.