Finding the Fourth Proportional to 1,276,878.36, 1,762,104.06 and 703,939.08
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Solution
The fourth proportional to 1,276,878.36, 1,762,104.06 and 703,939.08 is: 971,442.50
Step by Step Solution
- Step 1: Write the proportion equation
1,276,878.36 : 1,762,104.06 = 703,939.08 : x - Step 2: Convert to fraction form
1,276,878.36/1,762,104.06 = 703,939.08/x - Step 3: Cross multiply
1,276,878.36x = 1,762,104.06 × 703,939.08 - Step 4: Simplify right side
1,276,878.36x = 1,240,413,910,860.66 - Step 5: Solve for x
x = 1,240,413,910,860.66/1,276,878.36 - Step 6: Final answer
x = 971,442.50
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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.