Finding the Fourth Proportional to 1,135,943.64, 1,567,576.99 and 626,645.88
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Solution
The fourth proportional to 1,135,943.64, 1,567,576.99 and 626,645.88 is: 864,757.39
Step by Step Solution
- Step 1: Write the proportion equation
1,135,943.64 : 1,567,576.99 = 626,645.88 : x - Step 2: Convert to fraction form
1,135,943.64/1,567,576.99 = 626,645.88/x - Step 3: Cross multiply
1,135,943.64x = 1,567,576.99 × 626,645.88 - Step 4: Simplify right side
1,135,943.64x = 982,315,662,366.30 - Step 5: Solve for x
x = 982,315,662,366.30/1,135,943.64 - Step 6: Final answer
x = 864,757.39
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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.