Home / 1,396,296.54-2,094,564.96-385,418.64

Finding the Fourth Proportional to 1,396,296.54, 2,094,564.96 and 385,418.64

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Solution

The fourth proportional to 1,396,296.54, 2,094,564.96 and 385,418.64 is: 578,161.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,296.54 : 2,094,564.96 = 385,418.64 : x
  2. Step 2: Convert to fraction form
    1,396,296.54/2,094,564.96 = 385,418.64/x
  3. Step 3: Cross multiply
    1,396,296.54x = 2,094,564.96 × 385,418.64
  4. Step 4: Simplify right side
    1,396,296.54x = 807,284,378,274.85
  5. Step 5: Solve for x
    x = 807,284,378,274.85/1,396,296.54
  6. Step 6: Final answer
    x = 578,161.12

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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.