Home / 1,522,815.40-2,101,485.59-910,993.64

Finding the Fourth Proportional to 1,522,815.40, 2,101,485.59 and 910,993.64

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Solution

The fourth proportional to 1,522,815.40, 2,101,485.59 and 910,993.64 is: 1,257,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,815.40 : 2,101,485.59 = 910,993.64 : x
  2. Step 2: Convert to fraction form
    1,522,815.40/2,101,485.59 = 910,993.64/x
  3. Step 3: Cross multiply
    1,522,815.40x = 2,101,485.59 × 910,993.64
  4. Step 4: Simplify right side
    1,522,815.40x = 1,914,440,014,572.85
  5. Step 5: Solve for x
    x = 1,914,440,014,572.85/1,522,815.40
  6. Step 6: Final answer
    x = 1,257,171.43

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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.