Finding the Fourth Proportional to 1,157,067.62, 1,596,709.20 and 633,769.94
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Solution
The fourth proportional to 1,157,067.62, 1,596,709.20 and 633,769.94 is: 874,578.35
Step by Step Solution
- Step 1: Write the proportion equation
1,157,067.62 : 1,596,709.20 = 633,769.94 : x - Step 2: Convert to fraction form
1,157,067.62/1,596,709.20 = 633,769.94/x - Step 3: Cross multiply
1,157,067.62x = 1,596,709.20 × 633,769.94 - Step 4: Simplify right side
1,157,067.62x = 1,011,946,293,881.45 - Step 5: Solve for x
x = 1,011,946,293,881.45/1,157,067.62 - Step 6: Final answer
x = 874,578.35
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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.