Finding the Fourth Proportional to 1,167,728.19, 1,611,465.91 and 651,482.16
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Solution
The fourth proportional to 1,167,728.19, 1,611,465.91 and 651,482.16 is: 899,045.95
Step by Step Solution
- Step 1: Write the proportion equation
1,167,728.19 : 1,611,465.91 = 651,482.16 : x - Step 2: Convert to fraction form
1,167,728.19/1,611,465.91 = 651,482.16/x - Step 3: Cross multiply
1,167,728.19x = 1,611,465.91 × 651,482.16 - Step 4: Simplify right side
1,167,728.19x = 1,049,841,296,227.46 - Step 5: Solve for x
x = 1,049,841,296,227.46/1,167,728.19 - Step 6: Final answer
x = 899,045.95
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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.