Home / 1,019,976.70-1,407,560.06-561,081.39

Finding the Fourth Proportional to 1,019,976.70, 1,407,560.06 and 561,081.39

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Solution

The fourth proportional to 1,019,976.70, 1,407,560.06 and 561,081.39 is: 774,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,976.70 : 1,407,560.06 = 561,081.39 : x
  2. Step 2: Convert to fraction form
    1,019,976.70/1,407,560.06 = 561,081.39/x
  3. Step 3: Cross multiply
    1,019,976.70x = 1,407,560.06 × 561,081.39
  4. Step 4: Simplify right side
    1,019,976.70x = 789,755,756,375.99
  5. Step 5: Solve for x
    x = 789,755,756,375.99/1,019,976.70
  6. Step 6: Final answer
    x = 774,288.04

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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.