Finding the Fourth Proportional to 1,276,902.29, 1,762,138.74 and 703,962.96
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Solution
The fourth proportional to 1,276,902.29, 1,762,138.74 and 703,962.96 is: 971,476.37
Step by Step Solution
- Step 1: Write the proportion equation
1,276,902.29 : 1,762,138.74 = 703,962.96 : x - Step 2: Convert to fraction form
1,276,902.29/1,762,138.74 = 703,962.96/x - Step 3: Cross multiply
1,276,902.29x = 1,762,138.74 × 703,962.96 - Step 4: Simplify right side
1,276,902.29x = 1,240,480,403,341.07 - Step 5: Solve for x
x = 1,240,480,403,341.07/1,276,902.29 - Step 6: Final answer
x = 971,476.37
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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.