Finding the Fourth Proportional to 1,202,768.08, 1,659,819.85 and 719,333.21
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Solution
The fourth proportional to 1,202,768.08, 1,659,819.85 and 719,333.21 is: 992,679.77
Step by Step Solution
- Step 1: Write the proportion equation
1,202,768.08 : 1,659,819.85 = 719,333.21 : x - Step 2: Convert to fraction form
1,202,768.08/1,659,819.85 = 719,333.21/x - Step 3: Cross multiply
1,202,768.08x = 1,659,819.85 × 719,333.21 - Step 4: Simplify right side
1,202,768.08x = 1,193,963,543,073.44 - Step 5: Solve for x
x = 1,193,963,543,073.44/1,202,768.08 - Step 6: Final answer
x = 992,679.77
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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.