Finding the Fourth Proportional to 1,438,611, 1,985,283.18 and 802,707
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Solution
The fourth proportional to 1,438,611, 1,985,283.18 and 802,707 is: 1,107,735.66
Step by Step Solution
- Step 1: Write the proportion equation
1,438,611 : 1,985,283.18 = 802,707 : x - Step 2: Convert to fraction form
1,438,611/1,985,283.18 = 802,707/x - Step 3: Cross multiply
1,438,611x = 1,985,283.18 × 802,707 - Step 4: Simplify right side
1,438,611x = 1,593,600,705,568.26 - Step 5: Solve for x
x = 1,593,600,705,568.26/1,438,611 - Step 6: Final answer
x = 1,107,735.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.