Home / 1,809,676.80-2,714,320.80-479,980.80

Finding the Fourth Proportional to 1,809,676.80, 2,714,320.80 and 479,980.80

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Solution

The fourth proportional to 1,809,676.80, 2,714,320.80 and 479,980.80 is: 719,919.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,676.80 : 2,714,320.80 = 479,980.80 : x
  2. Step 2: Convert to fraction form
    1,809,676.80/2,714,320.80 = 479,980.80/x
  3. Step 3: Cross multiply
    1,809,676.80x = 2,714,320.80 × 479,980.80
  4. Step 4: Simplify right side
    1,809,676.80x = 1,302,821,869,040.64
  5. Step 5: Solve for x
    x = 1,302,821,869,040.64/1,809,676.80
  6. Step 6: Final answer
    x = 719,919.64

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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.