Home / 1,109,323.87-1,663,990.67-351,169.05

Finding the Fourth Proportional to 1,109,323.87, 1,663,990.67 and 351,169.05

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Solution

The fourth proportional to 1,109,323.87, 1,663,990.67 and 351,169.05 is: 526,755.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,323.87 : 1,663,990.67 = 351,169.05 : x
  2. Step 2: Convert to fraction form
    1,109,323.87/1,663,990.67 = 351,169.05/x
  3. Step 3: Cross multiply
    1,109,323.87x = 1,663,990.67 × 351,169.05
  4. Step 4: Simplify right side
    1,109,323.87x = 584,342,022,353.80
  5. Step 5: Solve for x
    x = 584,342,022,353.80/1,109,323.87
  6. Step 6: Final answer
    x = 526,755.12

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Double scale
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Similar ratio
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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.