Home / 1,720,367.72-2,374,258.58-946,134.86

Finding the Fourth Proportional to 1,720,367.72, 2,374,258.58 and 946,134.86

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Solution

The fourth proportional to 1,720,367.72, 2,374,258.58 and 946,134.86 is: 1,305,749.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,367.72 : 2,374,258.58 = 946,134.86 : x
  2. Step 2: Convert to fraction form
    1,720,367.72/2,374,258.58 = 946,134.86/x
  3. Step 3: Cross multiply
    1,720,367.72x = 2,374,258.58 × 946,134.86
  4. Step 4: Simplify right side
    1,720,367.72x = 2,246,368,809,192.10
  5. Step 5: Solve for x
    x = 2,246,368,809,192.10/1,720,367.72
  6. Step 6: Final answer
    x = 1,305,749.22

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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.