Finding the Fourth Proportional to 1,108,851.16, 1,530,207.18 and 625,420.24
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Solution
The fourth proportional to 1,108,851.16, 1,530,207.18 and 625,420.24 is: 863,075.75
Step by Step Solution
- Step 1: Write the proportion equation
1,108,851.16 : 1,530,207.18 = 625,420.24 : x - Step 2: Convert to fraction form
1,108,851.16/1,530,207.18 = 625,420.24/x - Step 3: Cross multiply
1,108,851.16x = 1,530,207.18 × 625,420.24 - Step 4: Simplify right side
1,108,851.16x = 957,022,541,765.32 - Step 5: Solve for x
x = 957,022,541,765.32/1,108,851.16 - Step 6: Final answer
x = 863,075.75
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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.