Home / 1,021,719.20-1,532,578.80-273,840.80

Finding the Fourth Proportional to 1,021,719.20, 1,532,578.80 and 273,840.80

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Solution

The fourth proportional to 1,021,719.20, 1,532,578.80 and 273,840.80 is: 410,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,719.20 : 1,532,578.80 = 273,840.80 : x
  2. Step 2: Convert to fraction form
    1,021,719.20/1,532,578.80 = 273,840.80/x
  3. Step 3: Cross multiply
    1,021,719.20x = 1,532,578.80 × 273,840.80
  4. Step 4: Simplify right side
    1,021,719.20x = 419,682,604,655.04
  5. Step 5: Solve for x
    x = 419,682,604,655.04/1,021,719.20
  6. Step 6: Final answer
    x = 410,761.20

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1.5x scale

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.