Finding the Fourth Proportional to 1,057,028.22, 1,458,088.91 and 674,623.98
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Solution
The fourth proportional to 1,057,028.22, 1,458,088.91 and 674,623.98 is: 930,591.75
Step by Step Solution
- Step 1: Write the proportion equation
1,057,028.22 : 1,458,088.91 = 674,623.98 : x - Step 2: Convert to fraction form
1,057,028.22/1,458,088.91 = 674,623.98/x - Step 3: Cross multiply
1,057,028.22x = 1,458,088.91 × 674,623.98 - Step 4: Simplify right side
1,057,028.22x = 983,661,743,658.06 - Step 5: Solve for x
x = 983,661,743,658.06/1,057,028.22 - Step 6: Final answer
x = 930,591.75
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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.