Home / 1,269,585.78-1,904,523.12-460,351.35

Finding the Fourth Proportional to 1,269,585.78, 1,904,523.12 and 460,351.35

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Solution

The fourth proportional to 1,269,585.78, 1,904,523.12 and 460,351.35 is: 690,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,585.78 : 1,904,523.12 = 460,351.35 : x
  2. Step 2: Convert to fraction form
    1,269,585.78/1,904,523.12 = 460,351.35/x
  3. Step 3: Cross multiply
    1,269,585.78x = 1,904,523.12 × 460,351.35
  4. Step 4: Simplify right side
    1,269,585.78x = 876,749,789,398.21
  5. Step 5: Solve for x
    x = 876,749,789,398.21/1,269,585.78
  6. Step 6: Final answer
    x = 690,579.40

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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.