Home / 1,452,415.20-2,178,104.40-505,816.80

Finding the Fourth Proportional to 1,452,415.20, 2,178,104.40 and 505,816.80

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Solution

The fourth proportional to 1,452,415.20, 2,178,104.40 and 505,816.80 is: 758,544.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,415.20 : 2,178,104.40 = 505,816.80 : x
  2. Step 2: Convert to fraction form
    1,452,415.20/2,178,104.40 = 505,816.80/x
  3. Step 3: Cross multiply
    1,452,415.20x = 2,178,104.40 × 505,816.80
  4. Step 4: Simplify right side
    1,452,415.20x = 1,101,721,797,673.92
  5. Step 5: Solve for x
    x = 1,101,721,797,673.92/1,452,415.20
  6. Step 6: Final answer
    x = 758,544.66

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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.