Finding the Fourth Proportional to 1,195,232.80, 1,649,421.18 and 658,688.80
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Solution
The fourth proportional to 1,195,232.80, 1,649,421.18 and 658,688.80 is: 908,990.50
Step by Step Solution
- Step 1: Write the proportion equation
1,195,232.80 : 1,649,421.18 = 658,688.80 : x - Step 2: Convert to fraction form
1,195,232.80/1,649,421.18 = 658,688.80/x - Step 3: Cross multiply
1,195,232.80x = 1,649,421.18 × 658,688.80 - Step 4: Simplify right side
1,195,232.80x = 1,086,455,257,748.78 - Step 5: Solve for x
x = 1,086,455,257,748.78/1,195,232.80 - Step 6: Final answer
x = 908,990.50
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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.