Home / 1,100,362.68-1,516,745.93-867,409.76

Finding the Fourth Proportional to 1,100,362.68, 1,516,745.93 and 867,409.76

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Solution

The fourth proportional to 1,100,362.68, 1,516,745.93 and 867,409.76 is: 1,195,642.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,362.68 : 1,516,745.93 = 867,409.76 : x
  2. Step 2: Convert to fraction form
    1,100,362.68/1,516,745.93 = 867,409.76/x
  3. Step 3: Cross multiply
    1,100,362.68x = 1,516,745.93 × 867,409.76
  4. Step 4: Simplify right side
    1,100,362.68x = 1,315,640,211,201.50
  5. Step 5: Solve for x
    x = 1,315,640,211,201.50/1,100,362.68
  6. Step 6: Final answer
    x = 1,195,642.34

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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.