Finding the Fourth Proportional to 1,177,412.26, 1,766,381.76 and 429,458.26
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Solution
The fourth proportional to 1,177,412.26, 1,766,381.76 and 429,458.26 is: 644,283.45
Step by Step Solution
- Step 1: Write the proportion equation
1,177,412.26 : 1,766,381.76 = 429,458.26 : x - Step 2: Convert to fraction form
1,177,412.26/1,766,381.76 = 429,458.26/x - Step 3: Cross multiply
1,177,412.26x = 1,766,381.76 × 429,458.26 - Step 4: Simplify right side
1,177,412.26x = 758,587,237,145.34 - Step 5: Solve for x
x = 758,587,237,145.34/1,177,412.26 - Step 6: Final answer
x = 644,283.45
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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.