Home / 1,365,290.92-2,047,965.90-418,640.68

Finding the Fourth Proportional to 1,365,290.92, 2,047,965.90 and 418,640.68

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Solution

The fourth proportional to 1,365,290.92, 2,047,965.90 and 418,640.68 is: 627,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,290.92 : 2,047,965.90 = 418,640.68 : x
  2. Step 2: Convert to fraction form
    1,365,290.92/2,047,965.90 = 418,640.68/x
  3. Step 3: Cross multiply
    1,365,290.92x = 2,047,965.90 × 418,640.68
  4. Step 4: Simplify right side
    1,365,290.92x = 857,361,836,992.81
  5. Step 5: Solve for x
    x = 857,361,836,992.81/1,365,290.92
  6. Step 6: Final answer
    x = 627,970.07

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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.