Finding the Fourth Proportional to 1,153,615.68, 1,729,286.28 and 405,136.80
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Solution
The fourth proportional to 1,153,615.68, 1,729,286.28 and 405,136.80 is: 607,305.81
Step by Step Solution
- Step 1: Write the proportion equation
1,153,615.68 : 1,729,286.28 = 405,136.80 : x - Step 2: Convert to fraction form
1,153,615.68/1,729,286.28 = 405,136.80/x - Step 3: Cross multiply
1,153,615.68x = 1,729,286.28 × 405,136.80 - Step 4: Simplify right side
1,153,615.68x = 700,597,509,763.10 - Step 5: Solve for x
x = 700,597,509,763.10/1,153,615.68 - Step 6: Final answer
x = 607,305.81
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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.