Finding the Fourth Proportional to 1,353,705.62, 1,868,962.97 and 871,109.44
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Solution
The fourth proportional to 1,353,705.62, 1,868,962.97 and 871,109.44 is: 1,202,677.49
Step by Step Solution
- Step 1: Write the proportion equation
1,353,705.62 : 1,868,962.97 = 871,109.44 : x - Step 2: Convert to fraction form
1,353,705.62/1,868,962.97 = 871,109.44/x - Step 3: Cross multiply
1,353,705.62x = 1,868,962.97 × 871,109.44 - Step 4: Simplify right side
1,353,705.62x = 1,628,071,277,149.48 - Step 5: Solve for x
x = 1,628,071,277,149.48/1,353,705.62 - Step 6: Final answer
x = 1,202,677.49
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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.