Finding the Fourth Proportional to 1,414,020.60, 1,951,352.64 and 769,440.96
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Solution
The fourth proportional to 1,414,020.60, 1,951,352.64 and 769,440.96 is: 1,061,830.82
Step by Step Solution
- Step 1: Write the proportion equation
1,414,020.60 : 1,951,352.64 = 769,440.96 : x - Step 2: Convert to fraction form
1,414,020.60/1,951,352.64 = 769,440.96/x - Step 3: Cross multiply
1,414,020.60x = 1,951,352.64 × 769,440.96 - Step 4: Simplify right side
1,414,020.60x = 1,501,450,648,620.13 - Step 5: Solve for x
x = 1,501,450,648,620.13/1,414,020.60 - Step 6: Final answer
x = 1,061,830.82
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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.