Home / 815,110.95-1,228,525.36-702,616.56

Finding the Fourth Proportional to 815,110.95, 1,228,525.36 and 702,616.56

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Solution

The fourth proportional to 815,110.95, 1,228,525.36 and 702,616.56 is: 1,058,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,110.95 : 1,228,525.36 = 702,616.56 : x
  2. Step 2: Convert to fraction form
    815,110.95/1,228,525.36 = 702,616.56/x
  3. Step 3: Cross multiply
    815,110.95x = 1,228,525.36 × 702,616.56
  4. Step 4: Simplify right side
    815,110.95x = 863,182,256,609.84
  5. Step 5: Solve for x
    x = 863,182,256,609.84/815,110.95
  6. Step 6: Final answer
    x = 1,058,975.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.