Home / 1,015,120.64-1,522,682.08-305,148.62

Finding the Fourth Proportional to 1,015,120.64, 1,522,682.08 and 305,148.62

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Solution

The fourth proportional to 1,015,120.64, 1,522,682.08 and 305,148.62 is: 457,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,120.64 : 1,522,682.08 = 305,148.62 : x
  2. Step 2: Convert to fraction form
    1,015,120.64/1,522,682.08 = 305,148.62/x
  3. Step 3: Cross multiply
    1,015,120.64x = 1,522,682.08 × 305,148.62
  4. Step 4: Simplify right side
    1,015,120.64x = 464,644,335,410.73
  5. Step 5: Solve for x
    x = 464,644,335,410.73/1,015,120.64
  6. Step 6: Final answer
    x = 457,723.27

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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.