Home / 1,659,621.20-2,489,431.80-537,803.60

Finding the Fourth Proportional to 1,659,621.20, 2,489,431.80 and 537,803.60

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Solution

The fourth proportional to 1,659,621.20, 2,489,431.80 and 537,803.60 is: 806,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,621.20 : 2,489,431.80 = 537,803.60 : x
  2. Step 2: Convert to fraction form
    1,659,621.20/2,489,431.80 = 537,803.60/x
  3. Step 3: Cross multiply
    1,659,621.20x = 2,489,431.80 × 537,803.60
  4. Step 4: Simplify right side
    1,659,621.20x = 1,338,825,383,994.48
  5. Step 5: Solve for x
    x = 1,338,825,383,994.48/1,659,621.20
  6. Step 6: Final answer
    x = 806,705.40

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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.