Finding the Fourth Proportional to 1,135,126.08, 1,566,452.85 and 618,884.43
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Solution
The fourth proportional to 1,135,126.08, 1,566,452.85 and 618,884.43 is: 854,048.99
Step by Step Solution
- Step 1: Write the proportion equation
1,135,126.08 : 1,566,452.85 = 618,884.43 : x - Step 2: Convert to fraction form
1,135,126.08/1,566,452.85 = 618,884.43/x - Step 3: Cross multiply
1,135,126.08x = 1,566,452.85 × 618,884.43 - Step 4: Simplify right side
1,135,126.08x = 969,453,279,194.13 - Step 5: Solve for x
x = 969,453,279,194.13/1,135,126.08 - Step 6: Final answer
x = 854,048.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.