Home / 3,024,121.20-4,536,181.80-780,259.20

Finding the Fourth Proportional to 3,024,121.20, 4,536,181.80 and 780,259.20

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Solution

The fourth proportional to 3,024,121.20, 4,536,181.80 and 780,259.20 is: 1,170,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,024,121.20 : 4,536,181.80 = 780,259.20 : x
  2. Step 2: Convert to fraction form
    3,024,121.20/4,536,181.80 = 780,259.20/x
  3. Step 3: Cross multiply
    3,024,121.20x = 4,536,181.80 × 780,259.20
  4. Step 4: Simplify right side
    3,024,121.20x = 3,539,397,582,322.56
  5. Step 5: Solve for x
    x = 3,539,397,582,322.56/3,024,121.20
  6. Step 6: Final answer
    x = 1,170,388.80

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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.