Finding the Fourth Proportional to 1,248,935.12, 1,723,561.96 and 765,766.68
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Solution
The fourth proportional to 1,248,935.12, 1,723,561.96 and 765,766.68 is: 1,056,777.33
Step by Step Solution
- Step 1: Write the proportion equation
1,248,935.12 : 1,723,561.96 = 765,766.68 : x - Step 2: Convert to fraction form
1,248,935.12/1,723,561.96 = 765,766.68/x - Step 3: Cross multiply
1,248,935.12x = 1,723,561.96 × 765,766.68 - Step 4: Simplify right side
1,248,935.12x = 1,319,846,319,883.49 - Step 5: Solve for x
x = 1,319,846,319,883.49/1,248,935.12 - Step 6: Final answer
x = 1,056,777.33
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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.