Home / 1,217,039.45-1,679,401.74-673,163.54

Finding the Fourth Proportional to 1,217,039.45, 1,679,401.74 and 673,163.54

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Solution

The fourth proportional to 1,217,039.45, 1,679,401.74 and 673,163.54 is: 928,903.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,039.45 : 1,679,401.74 = 673,163.54 : x
  2. Step 2: Convert to fraction form
    1,217,039.45/1,679,401.74 = 673,163.54/x
  3. Step 3: Cross multiply
    1,217,039.45x = 1,679,401.74 × 673,163.54
  4. Step 4: Simplify right side
    1,217,039.45x = 1,130,512,012,295.81
  5. Step 5: Solve for x
    x = 1,130,512,012,295.81/1,217,039.45
  6. Step 6: Final answer
    x = 928,903.34

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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.