Home / 1,393,167.75-2,090,412.02-673,105.82

Finding the Fourth Proportional to 1,393,167.75, 2,090,412.02 and 673,105.82

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Solution

The fourth proportional to 1,393,167.75, 2,090,412.02 and 673,105.82 is: 1,009,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,167.75 : 2,090,412.02 = 673,105.82 : x
  2. Step 2: Convert to fraction form
    1,393,167.75/2,090,412.02 = 673,105.82/x
  3. Step 3: Cross multiply
    1,393,167.75x = 2,090,412.02 × 673,105.82
  4. Step 4: Simplify right side
    1,393,167.75x = 1,407,068,488,090.66
  5. Step 5: Solve for x
    x = 1,407,068,488,090.66/1,393,167.75
  6. Step 6: Final answer
    x = 1,009,977.79

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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.