Finding the Fourth Proportional to 1,371,035.48, 1,892,005.83 and 759,175.09
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Solution
The fourth proportional to 1,371,035.48, 1,892,005.83 and 759,175.09 is: 1,047,648.82
Step by Step Solution
- Step 1: Write the proportion equation
1,371,035.48 : 1,892,005.83 = 759,175.09 : x - Step 2: Convert to fraction form
1,371,035.48/1,892,005.83 = 759,175.09/x - Step 3: Cross multiply
1,371,035.48x = 1,892,005.83 × 759,175.09 - Step 4: Simplify right side
1,371,035.48x = 1,436,363,691,540.76 - Step 5: Solve for x
x = 1,436,363,691,540.76/1,371,035.48 - Step 6: Final answer
x = 1,047,648.82
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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.