Home / 1,480,105.64-2,218,370.58-720,809.30

Finding the Fourth Proportional to 1,480,105.64, 2,218,370.58 and 720,809.30

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Solution

The fourth proportional to 1,480,105.64, 2,218,370.58 and 720,809.30 is: 1,080,343.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,105.64 : 2,218,370.58 = 720,809.30 : x
  2. Step 2: Convert to fraction form
    1,480,105.64/2,218,370.58 = 720,809.30/x
  3. Step 3: Cross multiply
    1,480,105.64x = 2,218,370.58 × 720,809.30
  4. Step 4: Simplify right side
    1,480,105.64x = 1,599,022,144,910.39
  5. Step 5: Solve for x
    x = 1,599,022,144,910.39/1,480,105.64
  6. Step 6: Final answer
    x = 1,080,343.26

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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.