Finding the Fourth Proportional to 1,415,125.32, 1,952,864.63 and 770,543.97
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Solution
The fourth proportional to 1,415,125.32, 1,952,864.63 and 770,543.97 is: 1,063,346.15
Step by Step Solution
- Step 1: Write the proportion equation
1,415,125.32 : 1,952,864.63 = 770,543.97 : x - Step 2: Convert to fraction form
1,415,125.32/1,952,864.63 = 770,543.97/x - Step 3: Cross multiply
1,415,125.32x = 1,952,864.63 × 770,543.97 - Step 4: Simplify right side
1,415,125.32x = 1,504,768,061,020.06 - Step 5: Solve for x
x = 1,504,768,061,020.06/1,415,125.32 - Step 6: Final answer
x = 1,063,346.15
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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.