Finding the Fourth Proportional to 1,159,129.77, 1,738,257.83 and 485,257.62
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Solution
The fourth proportional to 1,159,129.77, 1,738,257.83 and 485,257.62 is: 727,703.56
Step by Step Solution
- Step 1: Write the proportion equation
1,159,129.77 : 1,738,257.83 = 485,257.62 : x - Step 2: Convert to fraction form
1,159,129.77/1,738,257.83 = 485,257.62/x - Step 3: Cross multiply
1,159,129.77x = 1,738,257.83 × 485,257.62 - Step 4: Simplify right side
1,159,129.77x = 843,502,855,105.88 - Step 5: Solve for x
x = 843,502,855,105.88/1,159,129.77 - Step 6: Final answer
x = 727,703.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.