Finding the Fourth Proportional to 1,415,004.49, 1,952,741.32 and 770,460.05
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Solution
The fourth proportional to 1,415,004.49, 1,952,741.32 and 770,460.05 is: 1,063,253.99
Step by Step Solution
- Step 1: Write the proportion equation
1,415,004.49 : 1,952,741.32 = 770,460.05 : x - Step 2: Convert to fraction form
1,415,004.49/1,952,741.32 = 770,460.05/x - Step 3: Cross multiply
1,415,004.49x = 1,952,741.32 × 770,460.05 - Step 4: Simplify right side
1,415,004.49x = 1,504,509,177,999.97 - Step 5: Solve for x
x = 1,504,509,177,999.97/1,415,004.49 - Step 6: Final answer
x = 1,063,253.99
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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.