Finding the Fourth Proportional to 1,130,161.26, 1,559,615.12 and 613,910.46
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Solution
The fourth proportional to 1,130,161.26, 1,559,615.12 and 613,910.46 is: 847,192.40
Step by Step Solution
- Step 1: Write the proportion equation
1,130,161.26 : 1,559,615.12 = 613,910.46 : x - Step 2: Convert to fraction form
1,130,161.26/1,559,615.12 = 613,910.46/x - Step 3: Cross multiply
1,130,161.26x = 1,559,615.12 × 613,910.46 - Step 4: Simplify right side
1,130,161.26x = 957,464,035,742.16 - Step 5: Solve for x
x = 957,464,035,742.16/1,130,161.26 - Step 6: Final answer
x = 847,192.40
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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.