Finding the Fourth Proportional to 1,123,907.97, 1,550,992.14 and 614,610.21
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Solution
The fourth proportional to 1,123,907.97, 1,550,992.14 and 614,610.21 is: 848,161.62
Step by Step Solution
- Step 1: Write the proportion equation
1,123,907.97 : 1,550,992.14 = 614,610.21 : x - Step 2: Convert to fraction form
1,123,907.97/1,550,992.14 = 614,610.21/x - Step 3: Cross multiply
1,123,907.97x = 1,550,992.14 × 614,610.21 - Step 4: Simplify right side
1,123,907.97x = 953,255,604,873.75 - Step 5: Solve for x
x = 953,255,604,873.75/1,123,907.97 - Step 6: Final answer
x = 848,161.62
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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.