Home / 1,192,264.92-1,644,492.78-809,627.40

Finding the Fourth Proportional to 1,192,264.92, 1,644,492.78 and 809,627.40

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Solution

The fourth proportional to 1,192,264.92, 1,644,492.78 and 809,627.40 is: 1,116,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,264.92 : 1,644,492.78 = 809,627.40 : x
  2. Step 2: Convert to fraction form
    1,192,264.92/1,644,492.78 = 809,627.40/x
  3. Step 3: Cross multiply
    1,192,264.92x = 1,644,492.78 × 809,627.40
  4. Step 4: Simplify right side
    1,192,264.92x = 1,331,426,413,790.17
  5. Step 5: Solve for x
    x = 1,331,426,413,790.17/1,192,264.92
  6. Step 6: Final answer
    x = 1,116,720.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.