Finding the Fourth Proportional to 1,105,176.29, 1,657,764.42 and 395,161.26
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Solution
The fourth proportional to 1,105,176.29, 1,657,764.42 and 395,161.26 is: 592,741.89
Step by Step Solution
- Step 1: Write the proportion equation
1,105,176.29 : 1,657,764.42 = 395,161.26 : x - Step 2: Convert to fraction form
1,105,176.29/1,657,764.42 = 395,161.26/x - Step 3: Cross multiply
1,105,176.29x = 1,657,764.42 × 395,161.26 - Step 4: Simplify right side
1,105,176.29x = 655,084,276,990.37 - Step 5: Solve for x
x = 655,084,276,990.37/1,105,176.29 - Step 6: Final answer
x = 592,741.89
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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.