Finding the Fourth Proportional to 1,390,591.96, 2,086,487.37 and 750,768.66
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Solution
The fourth proportional to 1,390,591.96, 2,086,487.37 and 750,768.66 is: 1,126,476.62
Step by Step Solution
- Step 1: Write the proportion equation
1,390,591.96 : 2,086,487.37 = 750,768.66 : x - Step 2: Convert to fraction form
1,390,591.96/2,086,487.37 = 750,768.66/x - Step 3: Cross multiply
1,390,591.96x = 2,086,487.37 × 750,768.66 - Step 4: Simplify right side
1,390,591.96x = 1,566,469,326,881.82 - Step 5: Solve for x
x = 1,566,469,326,881.82/1,390,591.96 - Step 6: Final answer
x = 1,126,476.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.