Home / 1,245,174.46-1,863,539.64-765,703.42

Finding the Fourth Proportional to 1,245,174.46, 1,863,539.64 and 765,703.42

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Solution

The fourth proportional to 1,245,174.46, 1,863,539.64 and 765,703.42 is: 1,145,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,174.46 : 1,863,539.64 = 765,703.42 : x
  2. Step 2: Convert to fraction form
    1,245,174.46/1,863,539.64 = 765,703.42/x
  3. Step 3: Cross multiply
    1,245,174.46x = 1,863,539.64 × 765,703.42
  4. Step 4: Simplify right side
    1,245,174.46x = 1,426,918,675,653.57
  5. Step 5: Solve for x
    x = 1,426,918,675,653.57/1,245,174.46
  6. Step 6: Final answer
    x = 1,145,958.84

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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.