Home / 1,079,619.84-1,619,448.96-331,672.32

Finding the Fourth Proportional to 1,079,619.84, 1,619,448.96 and 331,672.32

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Solution

The fourth proportional to 1,079,619.84, 1,619,448.96 and 331,672.32 is: 497,514.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,619.84 : 1,619,448.96 = 331,672.32 : x
  2. Step 2: Convert to fraction form
    1,079,619.84/1,619,448.96 = 331,672.32/x
  3. Step 3: Cross multiply
    1,079,619.84x = 1,619,448.96 × 331,672.32
  4. Step 4: Simplify right side
    1,079,619.84x = 537,126,393,684.79
  5. Step 5: Solve for x
    x = 537,126,393,684.79/1,079,619.84
  6. Step 6: Final answer
    x = 497,514.38

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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.