Finding the Fourth Proportional to 1,130,121.74, 1,559,596.13 and 613,875.47
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Solution
The fourth proportional to 1,130,121.74, 1,559,596.13 and 613,875.47 is: 847,163.42
Step by Step Solution
- Step 1: Write the proportion equation
1,130,121.74 : 1,559,596.13 = 613,875.47 : x - Step 2: Convert to fraction form
1,130,121.74/1,559,596.13 = 613,875.47/x - Step 3: Cross multiply
1,130,121.74x = 1,559,596.13 × 613,875.47 - Step 4: Simplify right side
1,130,121.74x = 957,397,796,446.57 - Step 5: Solve for x
x = 957,397,796,446.57/1,130,121.74 - Step 6: Final answer
x = 847,163.42
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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.