Home / 1,098,342.90-1,647,514.35-673,190.10

Finding the Fourth Proportional to 1,098,342.90, 1,647,514.35 and 673,190.10

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Solution

The fourth proportional to 1,098,342.90, 1,647,514.35 and 673,190.10 is: 1,009,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,342.90 : 1,647,514.35 = 673,190.10 : x
  2. Step 2: Convert to fraction form
    1,098,342.90/1,647,514.35 = 673,190.10/x
  3. Step 3: Cross multiply
    1,098,342.90x = 1,647,514.35 × 673,190.10
  4. Step 4: Simplify right side
    1,098,342.90x = 1,109,090,350,027.94
  5. Step 5: Solve for x
    x = 1,109,090,350,027.94/1,098,342.90
  6. Step 6: Final answer
    x = 1,009,785.15

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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.