Home / 1,271,154.72-1,906,730.40-324,525.60

Finding the Fourth Proportional to 1,271,154.72, 1,906,730.40 and 324,525.60

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Solution

The fourth proportional to 1,271,154.72, 1,906,730.40 and 324,525.60 is: 486,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,154.72 : 1,906,730.40 = 324,525.60 : x
  2. Step 2: Convert to fraction form
    1,271,154.72/1,906,730.40 = 324,525.60/x
  3. Step 3: Cross multiply
    1,271,154.72x = 1,906,730.40 × 324,525.60
  4. Step 4: Simplify right side
    1,271,154.72x = 618,782,827,098.24
  5. Step 5: Solve for x
    x = 618,782,827,098.24/1,271,154.72
  6. Step 6: Final answer
    x = 486,787.97

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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.