Finding the Fourth Proportional to 1,130,121.70, 1,559,596.07 and 613,875.44
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Solution
The fourth proportional to 1,130,121.70, 1,559,596.07 and 613,875.44 is: 847,163.38
Step by Step Solution
- Step 1: Write the proportion equation
1,130,121.70 : 1,559,596.07 = 613,875.44 : x - Step 2: Convert to fraction form
1,130,121.70/1,559,596.07 = 613,875.44/x - Step 3: Cross multiply
1,130,121.70x = 1,559,596.07 × 613,875.44 - Step 4: Simplify right side
1,130,121.70x = 957,397,718,581.25 - Step 5: Solve for x
x = 957,397,718,581.25/1,130,121.70 - Step 6: Final answer
x = 847,163.38
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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.