Finding the Fourth Proportional to 1,077,580.20, 1,616,564.70 and 543,757.80
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Solution
The fourth proportional to 1,077,580.20, 1,616,564.70 and 543,757.80 is: 815,734.80
Step by Step Solution
- Step 1: Write the proportion equation
1,077,580.20 : 1,616,564.70 = 543,757.80 : x - Step 2: Convert to fraction form
1,077,580.20/1,616,564.70 = 543,757.80/x - Step 3: Cross multiply
1,077,580.20x = 1,616,564.70 × 543,757.80 - Step 4: Simplify right side
1,077,580.20x = 879,019,664,829.66 - Step 5: Solve for x
x = 879,019,664,829.66/1,077,580.20 - Step 6: Final answer
x = 815,734.80
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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.