Home / 1,282,271.62-1,769,380.69-738,584.23

Finding the Fourth Proportional to 1,282,271.62, 1,769,380.69 and 738,584.23

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Solution

The fourth proportional to 1,282,271.62, 1,769,380.69 and 738,584.23 is: 1,019,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,271.62 : 1,769,380.69 = 738,584.23 : x
  2. Step 2: Convert to fraction form
    1,282,271.62/1,769,380.69 = 738,584.23/x
  3. Step 3: Cross multiply
    1,282,271.62x = 1,769,380.69 × 738,584.23
  4. Step 4: Simplify right side
    1,282,271.62x = 1,306,836,674,500.52
  5. Step 5: Solve for x
    x = 1,306,836,674,500.52/1,282,271.62
  6. Step 6: Final answer
    x = 1,019,157.45

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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.