Finding the Fourth Proportional to 1,230,229.80, 1,845,344.70 and 1,058,987.70
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Solution
The fourth proportional to 1,230,229.80, 1,845,344.70 and 1,058,987.70 is: 1,588,481.55
Step by Step Solution
- Step 1: Write the proportion equation
1,230,229.80 : 1,845,344.70 = 1,058,987.70 : x - Step 2: Convert to fraction form
1,230,229.80/1,845,344.70 = 1,058,987.70/x - Step 3: Cross multiply
1,230,229.80x = 1,845,344.70 × 1,058,987.70 - Step 4: Simplify right side
1,230,229.80x = 1,954,197,339,560.19 - Step 5: Solve for x
x = 1,954,197,339,560.19/1,230,229.80 - Step 6: Final answer
x = 1,588,481.55
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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.