Home / 1,228,473.29-1,695,218.54-677,164.84

Finding the Fourth Proportional to 1,228,473.29, 1,695,218.54 and 677,164.84

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Solution

The fourth proportional to 1,228,473.29, 1,695,218.54 and 677,164.84 is: 934,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,473.29 : 1,695,218.54 = 677,164.84 : x
  2. Step 2: Convert to fraction form
    1,228,473.29/1,695,218.54 = 677,164.84/x
  3. Step 3: Cross multiply
    1,228,473.29x = 1,695,218.54 × 677,164.84
  4. Step 4: Simplify right side
    1,228,473.29x = 1,147,942,391,404.13
  5. Step 5: Solve for x
    x = 1,147,942,391,404.13/1,228,473.29
  6. Step 6: Final answer
    x = 934,446.36

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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.