Finding the Fourth Proportional to 1,359,887.54, 1,876,708.44 and 786,816.99
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Solution
The fourth proportional to 1,359,887.54, 1,876,708.44 and 786,816.99 is: 1,085,844.27
Step by Step Solution
- Step 1: Write the proportion equation
1,359,887.54 : 1,876,708.44 = 786,816.99 : x - Step 2: Convert to fraction form
1,359,887.54/1,876,708.44 = 786,816.99/x - Step 3: Cross multiply
1,359,887.54x = 1,876,708.44 × 786,816.99 - Step 4: Simplify right side
1,359,887.54x = 1,476,626,085,868.40 - Step 5: Solve for x
x = 1,476,626,085,868.40/1,359,887.54 - Step 6: Final answer
x = 1,085,844.27
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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.