Home / 1,335,597.60-2,002,035.60-660,640.80

Finding the Fourth Proportional to 1,335,597.60, 2,002,035.60 and 660,640.80

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Solution

The fourth proportional to 1,335,597.60, 2,002,035.60 and 660,640.80 is: 990,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,597.60 : 2,002,035.60 = 660,640.80 : x
  2. Step 2: Convert to fraction form
    1,335,597.60/2,002,035.60 = 660,640.80/x
  3. Step 3: Cross multiply
    1,335,597.60x = 2,002,035.60 × 660,640.80
  4. Step 4: Simplify right side
    1,335,597.60x = 1,322,626,400,412.48
  5. Step 5: Solve for x
    x = 1,322,626,400,412.48/1,335,597.60
  6. Step 6: Final answer
    x = 990,288.09

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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.