Home / 1,198,478.23-1,797,724.06-399,757.58

Finding the Fourth Proportional to 1,198,478.23, 1,797,724.06 and 399,757.58

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Solution

The fourth proportional to 1,198,478.23, 1,797,724.06 and 399,757.58 is: 599,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,478.23 : 1,797,724.06 = 399,757.58 : x
  2. Step 2: Convert to fraction form
    1,198,478.23/1,797,724.06 = 399,757.58/x
  3. Step 3: Cross multiply
    1,198,478.23x = 1,797,724.06 × 399,757.58
  4. Step 4: Simplify right side
    1,198,478.23x = 718,653,818,173.28
  5. Step 5: Solve for x
    x = 718,653,818,173.28/1,198,478.23
  6. Step 6: Final answer
    x = 599,638.61

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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.