Home / 1,809,712.80-2,714,374.80-480,016.80

Finding the Fourth Proportional to 1,809,712.80, 2,714,374.80 and 480,016.80

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Solution

The fourth proportional to 1,809,712.80, 2,714,374.80 and 480,016.80 is: 719,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,712.80 : 2,714,374.80 = 480,016.80 : x
  2. Step 2: Convert to fraction form
    1,809,712.80/2,714,374.80 = 480,016.80/x
  3. Step 3: Cross multiply
    1,809,712.80x = 2,714,374.80 × 480,016.80
  4. Step 4: Simplify right side
    1,809,712.80x = 1,302,945,505,496.64
  5. Step 5: Solve for x
    x = 1,302,945,505,496.64/1,809,712.80
  6. Step 6: Final answer
    x = 719,973.64

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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.