Finding the Fourth Proportional to 1,221,604.24, 1,831,520.40 and 821,251.84
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Solution
The fourth proportional to 1,221,604.24, 1,831,520.40 and 821,251.84 is: 1,231,282.15
Step by Step Solution
- Step 1: Write the proportion equation
1,221,604.24 : 1,831,520.40 = 821,251.84 : x - Step 2: Convert to fraction form
1,221,604.24/1,831,520.40 = 821,251.84/x - Step 3: Cross multiply
1,221,604.24x = 1,831,520.40 × 821,251.84 - Step 4: Simplify right side
1,221,604.24x = 1,504,139,498,497.54 - Step 5: Solve for x
x = 1,504,139,498,497.54/1,221,604.24 - Step 6: Final answer
x = 1,231,282.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.