Finding the Fourth Proportional to 1,132,229.07, 1,698,343.61 and 290,781.63
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Solution
The fourth proportional to 1,132,229.07, 1,698,343.61 and 290,781.63 is: 436,172.45
Step by Step Solution
- Step 1: Write the proportion equation
1,132,229.07 : 1,698,343.61 = 290,781.63 : x - Step 2: Convert to fraction form
1,132,229.07/1,698,343.61 = 290,781.63/x - Step 3: Cross multiply
1,132,229.07x = 1,698,343.61 × 290,781.63 - Step 4: Simplify right side
1,132,229.07x = 493,847,121,761.98 - Step 5: Solve for x
x = 493,847,121,761.98/1,132,229.07 - Step 6: Final answer
x = 436,172.45
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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.