Finding the Fourth Proportional to 1,168,319.67, 1,612,330.16 and 659,021.91
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Solution
The fourth proportional to 1,168,319.67, 1,612,330.16 and 659,021.91 is: 909,477.88
Step by Step Solution
- Step 1: Write the proportion equation
1,168,319.67 : 1,612,330.16 = 659,021.91 : x - Step 2: Convert to fraction form
1,168,319.67/1,612,330.16 = 659,021.91/x - Step 3: Cross multiply
1,168,319.67x = 1,612,330.16 × 659,021.91 - Step 4: Simplify right side
1,168,319.67x = 1,062,560,898,298.70 - Step 5: Solve for x
x = 1,062,560,898,298.70/1,168,319.67 - Step 6: Final answer
x = 909,477.88
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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.