Finding the Fourth Proportional to 1,325,817.87, 1,988,805.39 and 415,170.66
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Solution
The fourth proportional to 1,325,817.87, 1,988,805.39 and 415,170.66 is: 622,780.59
Step by Step Solution
- Step 1: Write the proportion equation
1,325,817.87 : 1,988,805.39 = 415,170.66 : x - Step 2: Convert to fraction form
1,325,817.87/1,988,805.39 = 415,170.66/x - Step 3: Cross multiply
1,325,817.87x = 1,988,805.39 × 415,170.66 - Step 4: Simplify right side
1,325,817.87x = 825,693,636,433.83 - Step 5: Solve for x
x = 825,693,636,433.83/1,325,817.87 - Step 6: Final answer
x = 622,780.59
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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.