Finding the Fourth Proportional to 1,104,756.15, 1,524,334.88 and 645,782
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Solution
The fourth proportional to 1,104,756.15, 1,524,334.88 and 645,782 is: 891,045.53
Step by Step Solution
- Step 1: Write the proportion equation
1,104,756.15 : 1,524,334.88 = 645,782 : x - Step 2: Convert to fraction form
1,104,756.15/1,524,334.88 = 645,782/x - Step 3: Cross multiply
1,104,756.15x = 1,524,334.88 × 645,782 - Step 4: Simplify right side
1,104,756.15x = 984,388,027,476.16 - Step 5: Solve for x
x = 984,388,027,476.16/1,104,756.15 - Step 6: Final answer
x = 891,045.53
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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.