Home / 1,079,086.66-1,618,476.49-439,669.42

Finding the Fourth Proportional to 1,079,086.66, 1,618,476.49 and 439,669.42

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Solution

The fourth proportional to 1,079,086.66, 1,618,476.49 and 439,669.42 is: 659,441.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,086.66 : 1,618,476.49 = 439,669.42 : x
  2. Step 2: Convert to fraction form
    1,079,086.66/1,618,476.49 = 439,669.42/x
  3. Step 3: Cross multiply
    1,079,086.66x = 1,618,476.49 × 439,669.42
  4. Step 4: Simplify right side
    1,079,086.66x = 711,594,619,641.94
  5. Step 5: Solve for x
    x = 711,594,619,641.94/1,079,086.66
  6. Step 6: Final answer
    x = 659,441.59

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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.