Finding the Fourth Proportional to 1,107,715.40, 1,660,406.70 and 433,536.20
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Solution
The fourth proportional to 1,107,715.40, 1,660,406.70 and 433,536.20 is: 649,847.80
Step by Step Solution
- Step 1: Write the proportion equation
1,107,715.40 : 1,660,406.70 = 433,536.20 : x - Step 2: Convert to fraction form
1,107,715.40/1,660,406.70 = 433,536.20/x - Step 3: Cross multiply
1,107,715.40x = 1,660,406.70 × 433,536.20 - Step 4: Simplify right side
1,107,715.40x = 719,846,411,172.54 - Step 5: Solve for x
x = 719,846,411,172.54/1,107,715.40 - Step 6: Final answer
x = 649,847.80
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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.