Finding the Fourth Proportional to 1,157,317.98, 1,596,729.74 and 749,732.24
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Solution
The fourth proportional to 1,157,317.98, 1,596,729.74 and 749,732.24 is: 1,034,391.39
Step by Step Solution
- Step 1: Write the proportion equation
1,157,317.98 : 1,596,729.74 = 749,732.24 : x - Step 2: Convert to fraction form
1,157,317.98/1,596,729.74 = 749,732.24/x - Step 3: Cross multiply
1,157,317.98x = 1,596,729.74 × 749,732.24 - Step 4: Simplify right side
1,157,317.98x = 1,197,119,752,912.51 - Step 5: Solve for x
x = 1,197,119,752,912.51/1,157,317.98 - Step 6: Final answer
x = 1,034,391.39
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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.