Finding the Fourth Proportional to 1,079,493.12, 1,489,723.79 and 596,088.99
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Solution
The fourth proportional to 1,079,493.12, 1,489,723.79 and 596,088.99 is: 822,615.66
Step by Step Solution
- Step 1: Write the proportion equation
1,079,493.12 : 1,489,723.79 = 596,088.99 : x - Step 2: Convert to fraction form
1,079,493.12/1,489,723.79 = 596,088.99/x - Step 3: Cross multiply
1,079,493.12x = 1,489,723.79 × 596,088.99 - Step 4: Simplify right side
1,079,493.12x = 888,007,946,379.63 - Step 5: Solve for x
x = 888,007,946,379.63/1,079,493.12 - Step 6: Final answer
x = 822,615.66
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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.