Finding the Fourth Proportional to 1,085,884.25, 1,498,369.79 and 723,542.09
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Solution
The fourth proportional to 1,085,884.25, 1,498,369.79 and 723,542.09 is: 998,387.82
Step by Step Solution
- Step 1: Write the proportion equation
1,085,884.25 : 1,498,369.79 = 723,542.09 : x - Step 2: Convert to fraction form
1,085,884.25/1,498,369.79 = 723,542.09/x - Step 3: Cross multiply
1,085,884.25x = 1,498,369.79 × 723,542.09 - Step 4: Simplify right side
1,085,884.25x = 1,084,133,603,766.47 - Step 5: Solve for x
x = 1,084,133,603,766.47/1,085,884.25 - Step 6: Final answer
x = 998,387.82
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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.