Home / 1,519,036.43-2,279,676.08-720,320.63

Finding the Fourth Proportional to 1,519,036.43, 2,279,676.08 and 720,320.63

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Solution

The fourth proportional to 1,519,036.43, 2,279,676.08 and 720,320.63 is: 1,081,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,036.43 : 2,279,676.08 = 720,320.63 : x
  2. Step 2: Convert to fraction form
    1,519,036.43/2,279,676.08 = 720,320.63/x
  3. Step 3: Cross multiply
    1,519,036.43x = 2,279,676.08 × 720,320.63
  4. Step 4: Simplify right side
    1,519,036.43x = 1,642,097,695,141.55
  5. Step 5: Solve for x
    x = 1,642,097,695,141.55/1,519,036.43
  6. Step 6: Final answer
    x = 1,081,012.72

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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.