Finding the Fourth Proportional to 1,195,245.75, 1,649,439.14 and 658,701.75
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Solution
The fourth proportional to 1,195,245.75, 1,649,439.14 and 658,701.75 is: 909,008.42
Step by Step Solution
- Step 1: Write the proportion equation
1,195,245.75 : 1,649,439.14 = 658,701.75 : x - Step 2: Convert to fraction form
1,195,245.75/1,649,439.14 = 658,701.75/x - Step 3: Cross multiply
1,195,245.75x = 1,649,439.14 × 658,701.75 - Step 4: Simplify right side
1,195,245.75x = 1,086,488,444,742.99 - Step 5: Solve for x
x = 1,086,488,444,742.99/1,195,245.75 - Step 6: Final answer
x = 909,008.42
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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.