Finding the Fourth Proportional to 1,219,601.13, 1,682,992.86 and 668,313.56
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Solution
The fourth proportional to 1,219,601.13, 1,682,992.86 and 668,313.56 is: 922,241.65
Step by Step Solution
- Step 1: Write the proportion equation
1,219,601.13 : 1,682,992.86 = 668,313.56 : x - Step 2: Convert to fraction form
1,219,601.13/1,682,992.86 = 668,313.56/x - Step 3: Cross multiply
1,219,601.13x = 1,682,992.86 × 668,313.56 - Step 4: Simplify right side
1,219,601.13x = 1,124,766,951,422.49 - Step 5: Solve for x
x = 1,124,766,951,422.49/1,219,601.13 - Step 6: Final answer
x = 922,241.65
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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.