Home / 1,322,000.80-1,983,001.20-324,728.80

Finding the Fourth Proportional to 1,322,000.80, 1,983,001.20 and 324,728.80

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Solution

The fourth proportional to 1,322,000.80, 1,983,001.20 and 324,728.80 is: 487,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,000.80 : 1,983,001.20 = 324,728.80 : x
  2. Step 2: Convert to fraction form
    1,322,000.80/1,983,001.20 = 324,728.80/x
  3. Step 3: Cross multiply
    1,322,000.80x = 1,983,001.20 × 324,728.80
  4. Step 4: Simplify right side
    1,322,000.80x = 643,937,600,074.56
  5. Step 5: Solve for x
    x = 643,937,600,074.56/1,322,000.80
  6. Step 6: Final answer
    x = 487,093.20

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1.5x scale

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.