Finding the Fourth Proportional to 1,157,063.62, 1,596,703.69 and 633,765.93
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Solution
The fourth proportional to 1,157,063.62, 1,596,703.69 and 633,765.93 is: 874,572.83
Step by Step Solution
- Step 1: Write the proportion equation
1,157,063.62 : 1,596,703.69 = 633,765.93 : x - Step 2: Convert to fraction form
1,157,063.62/1,596,703.69 = 633,765.93/x - Step 3: Cross multiply
1,157,063.62x = 1,596,703.69 × 633,765.93 - Step 4: Simplify right side
1,157,063.62x = 1,011,936,399,027.28 - Step 5: Solve for x
x = 1,011,936,399,027.28/1,157,063.62 - Step 6: Final answer
x = 874,572.83
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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.