Home / 1,275,453.88-1,913,290.96-328,816.60

Finding the Fourth Proportional to 1,275,453.88, 1,913,290.96 and 328,816.60

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Solution

The fourth proportional to 1,275,453.88, 1,913,290.96 and 328,816.60 is: 493,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,453.88 : 1,913,290.96 = 328,816.60 : x
  2. Step 2: Convert to fraction form
    1,275,453.88/1,913,290.96 = 328,816.60/x
  3. Step 3: Cross multiply
    1,275,453.88x = 1,913,290.96 × 328,816.60
  4. Step 4: Simplify right side
    1,275,453.88x = 629,121,828,277.94
  5. Step 5: Solve for x
    x = 629,121,828,277.94/1,275,453.88
  6. Step 6: Final answer
    x = 493,253.29

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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.