Finding the Fourth Proportional to 1,157,114.94, 1,596,986 and 647,850.12
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Solution
The fourth proportional to 1,157,114.94, 1,596,986 and 647,850.12 is: 894,126.88
Step by Step Solution
- Step 1: Write the proportion equation
1,157,114.94 : 1,596,986 = 647,850.12 : x - Step 2: Convert to fraction form
1,157,114.94/1,596,986 = 647,850.12/x - Step 3: Cross multiply
1,157,114.94x = 1,596,986 × 647,850.12 - Step 4: Simplify right side
1,157,114.94x = 1,034,607,571,738.32 - Step 5: Solve for x
x = 1,034,607,571,738.32/1,157,114.94 - Step 6: Final answer
x = 894,126.88
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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.