Home / 1,945,090.32-2,915,639.64-746,689.92

Finding the Fourth Proportional to 1,945,090.32, 2,915,639.64 and 746,689.92

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Solution

The fourth proportional to 1,945,090.32, 2,915,639.64 and 746,689.92 is: 1,119,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,090.32 : 2,915,639.64 = 746,689.92 : x
  2. Step 2: Convert to fraction form
    1,945,090.32/2,915,639.64 = 746,689.92/x
  3. Step 3: Cross multiply
    1,945,090.32x = 2,915,639.64 × 746,689.92
  4. Step 4: Simplify right side
    1,945,090.32x = 2,177,078,729,540.43
  5. Step 5: Solve for x
    x = 2,177,078,729,540.43/1,945,090.32
  6. Step 6: Final answer
    x = 1,119,268.71

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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.