Home / 1,282,280.80-1,769,393.31-738,593.41

Finding the Fourth Proportional to 1,282,280.80, 1,769,393.31 and 738,593.41

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Solution

The fourth proportional to 1,282,280.80, 1,769,393.31 and 738,593.41 is: 1,019,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,280.80 : 1,769,393.31 = 738,593.41 : x
  2. Step 2: Convert to fraction form
    1,282,280.80/1,769,393.31 = 738,593.41/x
  3. Step 3: Cross multiply
    1,282,280.80x = 1,769,393.31 × 738,593.41
  4. Step 4: Simplify right side
    1,282,280.80x = 1,306,862,238,464.09
  5. Step 5: Solve for x
    x = 1,306,862,238,464.09/1,282,280.80
  6. Step 6: Final answer
    x = 1,019,170.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.