Home / 1,107,770.51-1,661,654.48-397,799.30

Finding the Fourth Proportional to 1,107,770.51, 1,661,654.48 and 397,799.30

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Solution

The fourth proportional to 1,107,770.51, 1,661,654.48 and 397,799.30 is: 596,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,770.51 : 1,661,654.48 = 397,799.30 : x
  2. Step 2: Convert to fraction form
    1,107,770.51/1,661,654.48 = 397,799.30/x
  3. Step 3: Cross multiply
    1,107,770.51x = 1,661,654.48 × 397,799.30
  4. Step 4: Simplify right side
    1,107,770.51x = 661,004,978,688.60
  5. Step 5: Solve for x
    x = 661,004,978,688.60/1,107,770.51
  6. Step 6: Final answer
    x = 596,698.48

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Double scale
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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.