Finding the Fourth Proportional to 1,141,108.67, 1,574,779.17 and 631,811.09
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Solution
The fourth proportional to 1,141,108.67, 1,574,779.17 and 631,811.09 is: 871,926.54
Step by Step Solution
- Step 1: Write the proportion equation
1,141,108.67 : 1,574,779.17 = 631,811.09 : x - Step 2: Convert to fraction form
1,141,108.67/1,574,779.17 = 631,811.09/x - Step 3: Cross multiply
1,141,108.67x = 1,574,779.17 × 631,811.09 - Step 4: Simplify right side
1,141,108.67x = 994,962,932,874.04 - Step 5: Solve for x
x = 994,962,932,874.04/1,141,108.67 - Step 6: Final answer
x = 871,926.54
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1.5x scale
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.