Finding the Fourth Proportional to 1,220,982.75, 1,684,956.24 and 677,201.85
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Solution
The fourth proportional to 1,220,982.75, 1,684,956.24 and 677,201.85 is: 934,538.58
Step by Step Solution
- Step 1: Write the proportion equation
1,220,982.75 : 1,684,956.24 = 677,201.85 : x - Step 2: Convert to fraction form
1,220,982.75/1,684,956.24 = 677,201.85/x - Step 3: Cross multiply
1,220,982.75x = 1,684,956.24 × 677,201.85 - Step 4: Simplify right side
1,220,982.75x = 1,141,055,482,897.04 - Step 5: Solve for x
x = 1,141,055,482,897.04/1,220,982.75 - Step 6: Final answer
x = 934,538.58
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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.