Home / 1,159,381.28-1,599,961.93-868,477.49

Finding the Fourth Proportional to 1,159,381.28, 1,599,961.93 and 868,477.49

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Solution

The fourth proportional to 1,159,381.28, 1,599,961.93 and 868,477.49 is: 1,198,510.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,381.28 : 1,599,961.93 = 868,477.49 : x
  2. Step 2: Convert to fraction form
    1,159,381.28/1,599,961.93 = 868,477.49/x
  3. Step 3: Cross multiply
    1,159,381.28x = 1,599,961.93 × 868,477.49
  4. Step 4: Simplify right side
    1,159,381.28x = 1,389,530,910,890.95
  5. Step 5: Solve for x
    x = 1,389,530,910,890.95/1,159,381.28
  6. Step 6: Final answer
    x = 1,198,510.74

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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.