Home / 1,213,197.48-1,674,201.69-669,338.10

Finding the Fourth Proportional to 1,213,197.48, 1,674,201.69 and 669,338.10

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Solution

The fourth proportional to 1,213,197.48, 1,674,201.69 and 669,338.10 is: 923,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,197.48 : 1,674,201.69 = 669,338.10 : x
  2. Step 2: Convert to fraction form
    1,213,197.48/1,674,201.69 = 669,338.10/x
  3. Step 3: Cross multiply
    1,213,197.48x = 1,674,201.69 × 669,338.10
  4. Step 4: Simplify right side
    1,213,197.48x = 1,120,606,978,201.39
  5. Step 5: Solve for x
    x = 1,120,606,978,201.39/1,213,197.48
  6. Step 6: Final answer
    x = 923,680.60

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.