Home / 1,760,165.32-2,640,221.80-480,770.64

Finding the Fourth Proportional to 1,760,165.32, 2,640,221.80 and 480,770.64

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Solution

The fourth proportional to 1,760,165.32, 2,640,221.80 and 480,770.64 is: 721,148.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,165.32 : 2,640,221.80 = 480,770.64 : x
  2. Step 2: Convert to fraction form
    1,760,165.32/2,640,221.80 = 480,770.64/x
  3. Step 3: Cross multiply
    1,760,165.32x = 2,640,221.80 × 480,770.64
  4. Step 4: Simplify right side
    1,760,165.32x = 1,269,341,124,527.95
  5. Step 5: Solve for x
    x = 1,269,341,124,527.95/1,760,165.32
  6. Step 6: Final answer
    x = 721,148.81

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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.