Finding the Fourth Proportional to 1,270,965.74, 1,906,464.03 and 372,425.70
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Solution
The fourth proportional to 1,270,965.74, 1,906,464.03 and 372,425.70 is: 558,643.07
Step by Step Solution
- Step 1: Write the proportion equation
1,270,965.74 : 1,906,464.03 = 372,425.70 : x - Step 2: Convert to fraction form
1,270,965.74/1,906,464.03 = 372,425.70/x - Step 3: Cross multiply
1,270,965.74x = 1,906,464.03 × 372,425.70 - Step 4: Simplify right side
1,270,965.74x = 710,016,200,897.57 - Step 5: Solve for x
x = 710,016,200,897.57/1,270,965.74 - Step 6: Final answer
x = 558,643.07
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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.