Home / 1,313,949.96-1,813,114.98-969,968.52

Finding the Fourth Proportional to 1,313,949.96, 1,813,114.98 and 969,968.52

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Solution

The fourth proportional to 1,313,949.96, 1,813,114.98 and 969,968.52 is: 1,338,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,949.96 : 1,813,114.98 = 969,968.52 : x
  2. Step 2: Convert to fraction form
    1,313,949.96/1,813,114.98 = 969,968.52/x
  3. Step 3: Cross multiply
    1,313,949.96x = 1,813,114.98 × 969,968.52
  4. Step 4: Simplify right side
    1,313,949.96x = 1,758,664,453,740.43
  5. Step 5: Solve for x
    x = 1,758,664,453,740.43/1,313,949.96
  6. Step 6: Final answer
    x = 1,338,456.19

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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.