Home / 1,689,370.23-2,331,331.37-925,450.95

Finding the Fourth Proportional to 1,689,370.23, 2,331,331.37 and 925,450.95

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Solution

The fourth proportional to 1,689,370.23, 2,331,331.37 and 925,450.95 is: 1,277,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,370.23 : 2,331,331.37 = 925,450.95 : x
  2. Step 2: Convert to fraction form
    1,689,370.23/2,331,331.37 = 925,450.95/x
  3. Step 3: Cross multiply
    1,689,370.23x = 2,331,331.37 × 925,450.95
  4. Step 4: Simplify right side
    1,689,370.23x = 2,157,532,831,131.30
  5. Step 5: Solve for x
    x = 2,157,532,831,131.30/1,689,370.23
  6. Step 6: Final answer
    x = 1,277,122.56

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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.