Home / 1,330,120.80-1,995,181.20-531,525.60

Finding the Fourth Proportional to 1,330,120.80, 1,995,181.20 and 531,525.60

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Solution

The fourth proportional to 1,330,120.80, 1,995,181.20 and 531,525.60 is: 797,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,120.80 : 1,995,181.20 = 531,525.60 : x
  2. Step 2: Convert to fraction form
    1,330,120.80/1,995,181.20 = 531,525.60/x
  3. Step 3: Cross multiply
    1,330,120.80x = 1,995,181.20 × 531,525.60
  4. Step 4: Simplify right side
    1,330,120.80x = 1,060,489,884,438.72
  5. Step 5: Solve for x
    x = 1,060,489,884,438.72/1,330,120.80
  6. Step 6: Final answer
    x = 797,288.40

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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.