Home / 1,519,037.43-2,279,677.58-720,321.63

Finding the Fourth Proportional to 1,519,037.43, 2,279,677.58 and 720,321.63

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Solution

The fourth proportional to 1,519,037.43, 2,279,677.58 and 720,321.63 is: 1,081,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,037.43 : 2,279,677.58 = 720,321.63 : x
  2. Step 2: Convert to fraction form
    1,519,037.43/2,279,677.58 = 720,321.63/x
  3. Step 3: Cross multiply
    1,519,037.43x = 2,279,677.58 × 720,321.63
  4. Step 4: Simplify right side
    1,519,037.43x = 1,642,101,070,300.06
  5. Step 5: Solve for x
    x = 1,642,101,070,300.06/1,519,037.43
  6. Step 6: Final answer
    x = 1,081,014.23

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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.