Home / 1,686,845.55-2,530,399.55-488,785.08

Finding the Fourth Proportional to 1,686,845.55, 2,530,399.55 and 488,785.08

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Solution

The fourth proportional to 1,686,845.55, 2,530,399.55 and 488,785.08 is: 733,215.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,845.55 : 2,530,399.55 = 488,785.08 : x
  2. Step 2: Convert to fraction form
    1,686,845.55/2,530,399.55 = 488,785.08/x
  3. Step 3: Cross multiply
    1,686,845.55x = 2,530,399.55 × 488,785.08
  4. Step 4: Simplify right side
    1,686,845.55x = 1,236,821,544,034.79
  5. Step 5: Solve for x
    x = 1,236,821,544,034.79/1,686,845.55
  6. Step 6: Final answer
    x = 733,215.64

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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.