Home / 1,446,153.72-2,168,355.78-647,286.36

Finding the Fourth Proportional to 1,446,153.72, 2,168,355.78 and 647,286.36

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Solution

The fourth proportional to 1,446,153.72, 2,168,355.78 and 647,286.36 is: 970,537.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,153.72 : 2,168,355.78 = 647,286.36 : x
  2. Step 2: Convert to fraction form
    1,446,153.72/2,168,355.78 = 647,286.36/x
  3. Step 3: Cross multiply
    1,446,153.72x = 2,168,355.78 × 647,286.36
  4. Step 4: Simplify right side
    1,446,153.72x = 1,403,547,120,021.16
  5. Step 5: Solve for x
    x = 1,403,547,120,021.16/1,446,153.72
  6. Step 6: Final answer
    x = 970,537.99

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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.