Home / 1,628,718.15-2,443,096.04-491,490.20

Finding the Fourth Proportional to 1,628,718.15, 2,443,096.04 and 491,490.20

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Solution

The fourth proportional to 1,628,718.15, 2,443,096.04 and 491,490.20 is: 737,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,718.15 : 2,443,096.04 = 491,490.20 : x
  2. Step 2: Convert to fraction form
    1,628,718.15/2,443,096.04 = 491,490.20/x
  3. Step 3: Cross multiply
    1,628,718.15x = 2,443,096.04 × 491,490.20
  4. Step 4: Simplify right side
    1,628,718.15x = 1,200,757,764,969.10
  5. Step 5: Solve for x
    x = 1,200,757,764,969.10/1,628,718.15
  6. Step 6: Final answer
    x = 737,240.98

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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.