Home / 1,282,812.34-1,770,468.78-738,843.52

Finding the Fourth Proportional to 1,282,812.34, 1,770,468.78 and 738,843.52

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Solution

The fourth proportional to 1,282,812.34, 1,770,468.78 and 738,843.52 is: 1,019,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,812.34 : 1,770,468.78 = 738,843.52 : x
  2. Step 2: Convert to fraction form
    1,282,812.34/1,770,468.78 = 738,843.52/x
  3. Step 3: Cross multiply
    1,282,812.34x = 1,770,468.78 × 738,843.52
  4. Step 4: Simplify right side
    1,282,812.34x = 1,308,099,385,465.31
  5. Step 5: Solve for x
    x = 1,308,099,385,465.31/1,282,812.34
  6. Step 6: Final answer
    x = 1,019,712.19

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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.