Home / 1,399,668.72-2,099,836.26-453,039.36

Finding the Fourth Proportional to 1,399,668.72, 2,099,836.26 and 453,039.36

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Solution

The fourth proportional to 1,399,668.72, 2,099,836.26 and 453,039.36 is: 679,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,668.72 : 2,099,836.26 = 453,039.36 : x
  2. Step 2: Convert to fraction form
    1,399,668.72/2,099,836.26 = 453,039.36/x
  3. Step 3: Cross multiply
    1,399,668.72x = 2,099,836.26 × 453,039.36
  4. Step 4: Simplify right side
    1,399,668.72x = 951,308,475,335.19
  5. Step 5: Solve for x
    x = 951,308,475,335.19/1,399,668.72
  6. Step 6: Final answer
    x = 679,666.88

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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.