Finding the Fourth Proportional to 1,170,531.70, 1,615,464.84 and 661,266.88
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Solution
The fourth proportional to 1,170,531.70, 1,615,464.84 and 661,266.88 is: 912,622.35
Step by Step Solution
- Step 1: Write the proportion equation
1,170,531.70 : 1,615,464.84 = 661,266.88 : x - Step 2: Convert to fraction form
1,170,531.70/1,615,464.84 = 661,266.88/x - Step 3: Cross multiply
1,170,531.70x = 1,615,464.84 × 661,266.88 - Step 4: Simplify right side
1,170,531.70x = 1,068,253,394,496.50 - Step 5: Solve for x
x = 1,068,253,394,496.50/1,170,531.70 - Step 6: Final answer
x = 912,622.35
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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.