Home / 1,256,662.20-1,884,906.90-403,721.40

Finding the Fourth Proportional to 1,256,662.20, 1,884,906.90 and 403,721.40

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Solution

The fourth proportional to 1,256,662.20, 1,884,906.90 and 403,721.40 is: 605,554.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,662.20 : 1,884,906.90 = 403,721.40 : x
  2. Step 2: Convert to fraction form
    1,256,662.20/1,884,906.90 = 403,721.40/x
  3. Step 3: Cross multiply
    1,256,662.20x = 1,884,906.90 × 403,721.40
  4. Step 4: Simplify right side
    1,256,662.20x = 760,977,252,537.66
  5. Step 5: Solve for x
    x = 760,977,252,537.66/1,256,662.20
  6. Step 6: Final answer
    x = 605,554.34

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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.