Home / 1,284,948.90-1,927,427.67-325,404

Finding the Fourth Proportional to 1,284,948.90, 1,927,427.67 and 325,404

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Solution

The fourth proportional to 1,284,948.90, 1,927,427.67 and 325,404 is: 488,107.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,948.90 : 1,927,427.67 = 325,404 : x
  2. Step 2: Convert to fraction form
    1,284,948.90/1,927,427.67 = 325,404/x
  3. Step 3: Cross multiply
    1,284,948.90x = 1,927,427.67 × 325,404
  4. Step 4: Simplify right side
    1,284,948.90x = 627,192,673,528.68
  5. Step 5: Solve for x
    x = 627,192,673,528.68/1,284,948.90
  6. Step 6: Final answer
    x = 488,107.09

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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.