Home / 1,098,342.20-1,647,464.10-299,621.18

Finding the Fourth Proportional to 1,098,342.20, 1,647,464.10 and 299,621.18

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Solution

The fourth proportional to 1,098,342.20, 1,647,464.10 and 299,621.18 is: 449,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,342.20 : 1,647,464.10 = 299,621.18 : x
  2. Step 2: Convert to fraction form
    1,098,342.20/1,647,464.10 = 299,621.18/x
  3. Step 3: Cross multiply
    1,098,342.20x = 1,647,464.10 × 299,621.18
  4. Step 4: Simplify right side
    1,098,342.20x = 493,615,137,649.64
  5. Step 5: Solve for x
    x = 493,615,137,649.64/1,098,342.20
  6. Step 6: Final answer
    x = 449,418.35

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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.