Finding the Fourth Proportional to 1,051,546.80, 1,575,246.60 and 629,569.20
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Solution
The fourth proportional to 1,051,546.80, 1,575,246.60 and 629,569.20 is: 943,112.32
Step by Step Solution
- Step 1: Write the proportion equation
1,051,546.80 : 1,575,246.60 = 629,569.20 : x - Step 2: Convert to fraction form
1,051,546.80/1,575,246.60 = 629,569.20/x - Step 3: Cross multiply
1,051,546.80x = 1,575,246.60 × 629,569.20 - Step 4: Simplify right side
1,051,546.80x = 991,726,741,764.72 - Step 5: Solve for x
x = 991,726,741,764.72/1,051,546.80 - Step 6: Final answer
x = 943,112.32
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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.