Home / 1,464,067.82-2,021,674.48-921,108.62

Finding the Fourth Proportional to 1,464,067.82, 2,021,674.48 and 921,108.62

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Solution

The fourth proportional to 1,464,067.82, 2,021,674.48 and 921,108.62 is: 1,271,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,067.82 : 2,021,674.48 = 921,108.62 : x
  2. Step 2: Convert to fraction form
    1,464,067.82/2,021,674.48 = 921,108.62/x
  3. Step 3: Cross multiply
    1,464,067.82x = 2,021,674.48 × 921,108.62
  4. Step 4: Simplify right side
    1,464,067.82x = 1,862,181,790,362.02
  5. Step 5: Solve for x
    x = 1,862,181,790,362.02/1,464,067.82
  6. Step 6: Final answer
    x = 1,271,923.18

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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.