Finding the Fourth Proportional to 1,070,748.42, 1,477,635.21 and 618,039.06
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Solution
The fourth proportional to 1,070,748.42, 1,477,635.21 and 618,039.06 is: 852,895.28
Step by Step Solution
- Step 1: Write the proportion equation
1,070,748.42 : 1,477,635.21 = 618,039.06 : x - Step 2: Convert to fraction form
1,070,748.42/1,477,635.21 = 618,039.06/x - Step 3: Cross multiply
1,070,748.42x = 1,477,635.21 × 618,039.06 - Step 4: Simplify right side
1,070,748.42x = 913,236,276,211.30 - Step 5: Solve for x
x = 913,236,276,211.30/1,070,748.42 - Step 6: Final answer
x = 852,895.28
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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.