Finding the Fourth Proportional to 1,158,716.60, 1,738,247.70 and 410,703.80
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Solution
The fourth proportional to 1,158,716.60, 1,738,247.70 and 410,703.80 is: 616,116.95
Step by Step Solution
- Step 1: Write the proportion equation
1,158,716.60 : 1,738,247.70 = 410,703.80 : x - Step 2: Convert to fraction form
1,158,716.60/1,738,247.70 = 410,703.80/x - Step 3: Cross multiply
1,158,716.60x = 1,738,247.70 × 410,703.80 - Step 4: Simplify right side
1,158,716.60x = 713,904,935,731.26 - Step 5: Solve for x
x = 713,904,935,731.26/1,158,716.60 - Step 6: Final answer
x = 616,116.95
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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.