Home / 1,219,081.28-1,682,258.20-675,184.50

Finding the Fourth Proportional to 1,219,081.28, 1,682,258.20 and 675,184.50

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Solution

The fourth proportional to 1,219,081.28, 1,682,258.20 and 675,184.50 is: 931,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,081.28 : 1,682,258.20 = 675,184.50 : x
  2. Step 2: Convert to fraction form
    1,219,081.28/1,682,258.20 = 675,184.50/x
  3. Step 3: Cross multiply
    1,219,081.28x = 1,682,258.20 × 675,184.50
  4. Step 4: Simplify right side
    1,219,081.28x = 1,135,834,661,637.90
  5. Step 5: Solve for x
    x = 1,135,834,661,637.90/1,219,081.28
  6. Step 6: Final answer
    x = 931,713.64

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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.