Finding the Fourth Proportional to 1,201,168.88, 1,657,587.44 and 657,302.48
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Solution
The fourth proportional to 1,201,168.88, 1,657,587.44 and 657,302.48 is: 907,063.41
Step by Step Solution
- Step 1: Write the proportion equation
1,201,168.88 : 1,657,587.44 = 657,302.48 : x - Step 2: Convert to fraction form
1,201,168.88/1,657,587.44 = 657,302.48/x - Step 3: Cross multiply
1,201,168.88x = 1,657,587.44 × 657,302.48 - Step 4: Simplify right side
1,201,168.88x = 1,089,536,335,128.85 - Step 5: Solve for x
x = 1,089,536,335,128.85/1,201,168.88 - Step 6: Final answer
x = 907,063.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.