Finding the Fourth Proportional to 1,112,404.98, 1,535,149.10 and 629,042.44
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Solution
The fourth proportional to 1,112,404.98, 1,535,149.10 and 629,042.44 is: 868,095.66
Step by Step Solution
- Step 1: Write the proportion equation
1,112,404.98 : 1,535,149.10 = 629,042.44 : x - Step 2: Convert to fraction form
1,112,404.98/1,535,149.10 = 629,042.44/x - Step 3: Cross multiply
1,112,404.98x = 1,535,149.10 × 629,042.44 - Step 4: Simplify right side
1,112,404.98x = 965,673,933,362.54 - Step 5: Solve for x
x = 965,673,933,362.54/1,112,404.98 - Step 6: Final answer
x = 868,095.66
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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.