Finding the Fourth Proportional to 1,413,989.75, 1,951,289.45 and 769,398.84
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Solution
The fourth proportional to 1,413,989.75, 1,951,289.45 and 769,398.84 is: 1,061,761.47
Step by Step Solution
- Step 1: Write the proportion equation
1,413,989.75 : 1,951,289.45 = 769,398.84 : x - Step 2: Convert to fraction form
1,413,989.75/1,951,289.45 = 769,398.84/x - Step 3: Cross multiply
1,413,989.75x = 1,951,289.45 × 769,398.84 - Step 4: Simplify right side
1,413,989.75x = 1,501,319,839,334.24 - Step 5: Solve for x
x = 1,501,319,839,334.24/1,413,989.75 - Step 6: Final answer
x = 1,061,761.47
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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.