Finding the Fourth Proportional to 1,328,517.68, 1,993,839.24 and 697,803.44
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Solution
The fourth proportional to 1,328,517.68, 1,993,839.24 and 697,803.44 is: 1,047,263.35
Step by Step Solution
- Step 1: Write the proportion equation
1,328,517.68 : 1,993,839.24 = 697,803.44 : x - Step 2: Convert to fraction form
1,328,517.68/1,993,839.24 = 697,803.44/x - Step 3: Cross multiply
1,328,517.68x = 1,993,839.24 × 697,803.44 - Step 4: Simplify right side
1,328,517.68x = 1,391,307,880,478.99 - Step 5: Solve for x
x = 1,391,307,880,478.99/1,328,517.68 - Step 6: Final answer
x = 1,047,263.35
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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.