Home / 1,447,771.32-2,170,521.36-914,171.27

Finding the Fourth Proportional to 1,447,771.32, 2,170,521.36 and 914,171.27

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Solution

The fourth proportional to 1,447,771.32, 2,170,521.36 and 914,171.27 is: 1,370,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,771.32 : 2,170,521.36 = 914,171.27 : x
  2. Step 2: Convert to fraction form
    1,447,771.32/2,170,521.36 = 914,171.27/x
  3. Step 3: Cross multiply
    1,447,771.32x = 2,170,521.36 × 914,171.27
  4. Step 4: Simplify right side
    1,447,771.32x = 1,984,228,257,380.72
  5. Step 5: Solve for x
    x = 1,984,228,257,380.72/1,447,771.32
  6. Step 6: Final answer
    x = 1,370,539.83

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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.