Home / 984,643.35-1,476,965.03-978,422.55

Finding the Fourth Proportional to 984,643.35, 1,476,965.03 and 978,422.55

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Solution

The fourth proportional to 984,643.35, 1,476,965.03 and 978,422.55 is: 1,467,633.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,643.35 : 1,476,965.03 = 978,422.55 : x
  2. Step 2: Convert to fraction form
    984,643.35/1,476,965.03 = 978,422.55/x
  3. Step 3: Cross multiply
    984,643.35x = 1,476,965.03 × 978,422.55
  4. Step 4: Simplify right side
    984,643.35x = 1,445,095,886,021.31
  5. Step 5: Solve for x
    x = 1,445,095,886,021.31/984,643.35
  6. Step 6: Final answer
    x = 1,467,633.83

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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.