Finding the Fourth Proportional to 1,154,968.05, 1,593,814.13 and 631,660.77
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Solution
The fourth proportional to 1,154,968.05, 1,593,814.13 and 631,660.77 is: 871,669.01
Step by Step Solution
- Step 1: Write the proportion equation
1,154,968.05 : 1,593,814.13 = 631,660.77 : x - Step 2: Convert to fraction form
1,154,968.05/1,593,814.13 = 631,660.77/x - Step 3: Cross multiply
1,154,968.05x = 1,593,814.13 × 631,660.77 - Step 4: Simplify right side
1,154,968.05x = 1,006,749,857,434.38 - Step 5: Solve for x
x = 1,006,749,857,434.38/1,154,968.05 - Step 6: Final answer
x = 871,669.01
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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.