Finding the Fourth Proportional to 1,230,230.70, 1,845,346.05 and 850,348.80
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Solution
The fourth proportional to 1,230,230.70, 1,845,346.05 and 850,348.80 is: 1,275,523.20
Step by Step Solution
- Step 1: Write the proportion equation
1,230,230.70 : 1,845,346.05 = 850,348.80 : x - Step 2: Convert to fraction form
1,230,230.70/1,845,346.05 = 850,348.80/x - Step 3: Cross multiply
1,230,230.70x = 1,845,346.05 × 850,348.80 - Step 4: Simplify right side
1,230,230.70x = 1,569,187,799,202.24 - Step 5: Solve for x
x = 1,569,187,799,202.24/1,230,230.70 - Step 6: Final answer
x = 1,275,523.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.