Home / 1,055,400.90-1,582,979.85-307,446.90

Finding the Fourth Proportional to 1,055,400.90, 1,582,979.85 and 307,446.90

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Solution

The fourth proportional to 1,055,400.90, 1,582,979.85 and 307,446.90 is: 461,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,400.90 : 1,582,979.85 = 307,446.90 : x
  2. Step 2: Convert to fraction form
    1,055,400.90/1,582,979.85 = 307,446.90/x
  3. Step 3: Cross multiply
    1,055,400.90x = 1,582,979.85 × 307,446.90
  4. Step 4: Simplify right side
    1,055,400.90x = 486,682,247,644.97
  5. Step 5: Solve for x
    x = 486,682,247,644.97/1,055,400.90
  6. Step 6: Final answer
    x = 461,134.96

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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.