Finding the Fourth Proportional to 1,127,951.26, 1,556,944.97 and 1,008,377.05
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Solution
The fourth proportional to 1,127,951.26, 1,556,944.97 and 1,008,377.05 is: 1,391,893.10
Step by Step Solution
- Step 1: Write the proportion equation
1,127,951.26 : 1,556,944.97 = 1,008,377.05 : x - Step 2: Convert to fraction form
1,127,951.26/1,556,944.97 = 1,008,377.05/x - Step 3: Cross multiply
1,127,951.26x = 1,556,944.97 × 1,008,377.05 - Step 4: Simplify right side
1,127,951.26x = 1,569,987,575,860.94 - Step 5: Solve for x
x = 1,569,987,575,860.94/1,127,951.26 - Step 6: Final answer
x = 1,391,893.10
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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.