Home / 1,109,523.78-1,663,286.88-399,052.50

Finding the Fourth Proportional to 1,109,523.78, 1,663,286.88 and 399,052.50

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Solution

The fourth proportional to 1,109,523.78, 1,663,286.88 and 399,052.50 is: 598,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,523.78 : 1,663,286.88 = 399,052.50 : x
  2. Step 2: Convert to fraction form
    1,109,523.78/1,663,286.88 = 399,052.50/x
  3. Step 3: Cross multiply
    1,109,523.78x = 1,663,286.88 × 399,052.50
  4. Step 4: Simplify right side
    1,109,523.78x = 663,738,787,681.20
  5. Step 5: Solve for x
    x = 663,738,787,681.20/1,109,523.78
  6. Step 6: Final answer
    x = 598,219.52

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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.