Finding the Fourth Proportional to 1,048,884.12, 1,569,942.68 and 542,748.60
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Solution
The fourth proportional to 1,048,884.12, 1,569,942.68 and 542,748.60 is: 812,372.09
Step by Step Solution
- Step 1: Write the proportion equation
1,048,884.12 : 1,569,942.68 = 542,748.60 : x - Step 2: Convert to fraction form
1,048,884.12/1,569,942.68 = 542,748.60/x - Step 3: Cross multiply
1,048,884.12x = 1,569,942.68 × 542,748.60 - Step 4: Simplify right side
1,048,884.12x = 852,084,188,936.51 - Step 5: Solve for x
x = 852,084,188,936.51/1,048,884.12 - Step 6: Final answer
x = 812,372.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.