Home / 1,720,622.16-2,374,396.56-946,246.32

Finding the Fourth Proportional to 1,720,622.16, 2,374,396.56 and 946,246.32

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Solution

The fourth proportional to 1,720,622.16, 2,374,396.56 and 946,246.32 is: 1,305,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,622.16 : 2,374,396.56 = 946,246.32 : x
  2. Step 2: Convert to fraction form
    1,720,622.16/2,374,396.56 = 946,246.32/x
  3. Step 3: Cross multiply
    1,720,622.16x = 2,374,396.56 × 946,246.32
  4. Step 4: Simplify right side
    1,720,622.16x = 2,246,764,007,120.66
  5. Step 5: Solve for x
    x = 2,246,764,007,120.66/1,720,622.16
  6. Step 6: Final answer
    x = 1,305,785.81

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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.