Home / 1,219,226.43-1,682,365.81-675,227.91

Finding the Fourth Proportional to 1,219,226.43, 1,682,365.81 and 675,227.91

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Solution

The fourth proportional to 1,219,226.43, 1,682,365.81 and 675,227.91 is: 931,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,226.43 : 1,682,365.81 = 675,227.91 : x
  2. Step 2: Convert to fraction form
    1,219,226.43/1,682,365.81 = 675,227.91/x
  3. Step 3: Cross multiply
    1,219,226.43x = 1,682,365.81 × 675,227.91
  4. Step 4: Simplify right side
    1,219,226.43x = 1,135,980,349,741.76
  5. Step 5: Solve for x
    x = 1,135,980,349,741.76/1,219,226.43
  6. Step 6: Final answer
    x = 931,722.21

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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.