Finding the Fourth Proportional to 1,039,279.24, 1,434,326.36 and 864,540.76
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Solution
The fourth proportional to 1,039,279.24, 1,434,326.36 and 864,540.76 is: 1,193,166.91
Step by Step Solution
- Step 1: Write the proportion equation
1,039,279.24 : 1,434,326.36 = 864,540.76 : x - Step 2: Convert to fraction form
1,039,279.24/1,434,326.36 = 864,540.76/x - Step 3: Cross multiply
1,039,279.24x = 1,434,326.36 × 864,540.76 - Step 4: Simplify right side
1,039,279.24x = 1,240,033,601,362.43 - Step 5: Solve for x
x = 1,240,033,601,362.43/1,039,279.24 - Step 6: Final answer
x = 1,193,166.91
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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.