Finding the Fourth Proportional to 1,192,879.09, 1,646,282.84 and 676,801.06
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Solution
The fourth proportional to 1,192,879.09, 1,646,282.84 and 676,801.06 is: 934,047.70
Step by Step Solution
- Step 1: Write the proportion equation
1,192,879.09 : 1,646,282.84 = 676,801.06 : x - Step 2: Convert to fraction form
1,192,879.09/1,646,282.84 = 676,801.06/x - Step 3: Cross multiply
1,192,879.09x = 1,646,282.84 × 676,801.06 - Step 4: Simplify right side
1,192,879.09x = 1,114,205,971,171.81 - Step 5: Solve for x
x = 1,114,205,971,171.81/1,192,879.09 - Step 6: Final answer
x = 934,047.70
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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.