Finding the Fourth Proportional to 1,122,862.18, 1,683,678.17 and 552,990.12
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Solution
The fourth proportional to 1,122,862.18, 1,683,678.17 and 552,990.12 is: 829,182.26
Step by Step Solution
- Step 1: Write the proportion equation
1,122,862.18 : 1,683,678.17 = 552,990.12 : x - Step 2: Convert to fraction form
1,122,862.18/1,683,678.17 = 552,990.12/x - Step 3: Cross multiply
1,122,862.18x = 1,683,678.17 × 552,990.12 - Step 4: Simplify right side
1,122,862.18x = 931,057,392,578.44 - Step 5: Solve for x
x = 931,057,392,578.44/1,122,862.18 - Step 6: Final answer
x = 829,182.26
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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.