Home / 1,275,778.05-1,913,703.96-329,148.75

Finding the Fourth Proportional to 1,275,778.05, 1,913,703.96 and 329,148.75

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Solution

The fourth proportional to 1,275,778.05, 1,913,703.96 and 329,148.75 is: 493,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,778.05 : 1,913,703.96 = 329,148.75 : x
  2. Step 2: Convert to fraction form
    1,275,778.05/1,913,703.96 = 329,148.75/x
  3. Step 3: Cross multiply
    1,275,778.05x = 1,913,703.96 × 329,148.75
  4. Step 4: Simplify right side
    1,275,778.05x = 629,893,266,304.05
  5. Step 5: Solve for x
    x = 629,893,266,304.05/1,275,778.05
  6. Step 6: Final answer
    x = 493,732.64

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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.