Home / 1,522,790.45-2,101,450.73-910,968.90

Finding the Fourth Proportional to 1,522,790.45, 2,101,450.73 and 910,968.90

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Solution

The fourth proportional to 1,522,790.45, 2,101,450.73 and 910,968.90 is: 1,257,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,790.45 : 2,101,450.73 = 910,968.90 : x
  2. Step 2: Convert to fraction form
    1,522,790.45/2,101,450.73 = 910,968.90/x
  3. Step 3: Cross multiply
    1,522,790.45x = 2,101,450.73 × 910,968.90
  4. Step 4: Simplify right side
    1,522,790.45x = 1,914,356,255,357.45
  5. Step 5: Solve for x
    x = 1,914,356,255,357.45/1,522,790.45
  6. Step 6: Final answer
    x = 1,257,137.03

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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.