Home / 1,109,383.19-1,662,813.46-469,287.47

Finding the Fourth Proportional to 1,109,383.19, 1,662,813.46 and 469,287.47

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Solution

The fourth proportional to 1,109,383.19, 1,662,813.46 and 469,287.47 is: 703,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,383.19 : 1,662,813.46 = 469,287.47 : x
  2. Step 2: Convert to fraction form
    1,109,383.19/1,662,813.46 = 469,287.47/x
  3. Step 3: Cross multiply
    1,109,383.19x = 1,662,813.46 × 469,287.47
  4. Step 4: Simplify right side
    1,109,383.19x = 780,337,526,468.99
  5. Step 5: Solve for x
    x = 780,337,526,468.99/1,109,383.19
  6. Step 6: Final answer
    x = 703,397.65

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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.