Finding the Fourth Proportional to 1,157,664.42, 1,597,633.88 and 698,771.68
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Solution
The fourth proportional to 1,157,664.42, 1,597,633.88 and 698,771.68 is: 964,339.31
Step by Step Solution
- Step 1: Write the proportion equation
1,157,664.42 : 1,597,633.88 = 698,771.68 : x - Step 2: Convert to fraction form
1,157,664.42/1,597,633.88 = 698,771.68/x - Step 3: Cross multiply
1,157,664.42x = 1,597,633.88 × 698,771.68 - Step 4: Simplify right side
1,157,664.42x = 1,116,381,302,864.58 - Step 5: Solve for x
x = 1,116,381,302,864.58/1,157,664.42 - Step 6: Final answer
x = 964,339.31
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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.