Finding the Fourth Proportional to 1,153,213.66, 1,591,425.35 and 629,924.70
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Solution
The fourth proportional to 1,153,213.66, 1,591,425.35 and 629,924.70 is: 869,290.90
Step by Step Solution
- Step 1: Write the proportion equation
1,153,213.66 : 1,591,425.35 = 629,924.70 : x - Step 2: Convert to fraction form
1,153,213.66/1,591,425.35 = 629,924.70/x - Step 3: Cross multiply
1,153,213.66x = 1,591,425.35 × 629,924.70 - Step 4: Simplify right side
1,153,213.66x = 1,002,478,139,362.30 - Step 5: Solve for x
x = 1,002,478,139,362.30/1,153,213.66 - Step 6: Final answer
x = 869,290.90
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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.