Finding the Fourth Proportional to 1,221,723.36, 1,832,145.84 and 422,787.96
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Solution
The fourth proportional to 1,221,723.36, 1,832,145.84 and 422,787.96 is: 634,029.95
Step by Step Solution
- Step 1: Write the proportion equation
1,221,723.36 : 1,832,145.84 = 422,787.96 : x - Step 2: Convert to fraction form
1,221,723.36/1,832,145.84 = 422,787.96/x - Step 3: Cross multiply
1,221,723.36x = 1,832,145.84 × 422,787.96 - Step 4: Simplify right side
1,221,723.36x = 774,609,202,116.09 - Step 5: Solve for x
x = 774,609,202,116.09/1,221,723.36 - Step 6: Final answer
x = 634,029.95
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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.