Home / 1,302,824.60-1,954,142.70-404,243.40

Finding the Fourth Proportional to 1,302,824.60, 1,954,142.70 and 404,243.40

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Solution

The fourth proportional to 1,302,824.60, 1,954,142.70 and 404,243.40 is: 606,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,824.60 : 1,954,142.70 = 404,243.40 : x
  2. Step 2: Convert to fraction form
    1,302,824.60/1,954,142.70 = 404,243.40/x
  3. Step 3: Cross multiply
    1,302,824.60x = 1,954,142.70 × 404,243.40
  4. Step 4: Simplify right side
    1,302,824.60x = 789,949,289,133.18
  5. Step 5: Solve for x
    x = 789,949,289,133.18/1,302,824.60
  6. Step 6: Final answer
    x = 606,335.87

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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.