Finding the Fourth Proportional to 1,306,645.73, 1,803,221.98 and 725,912.68
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Solution
The fourth proportional to 1,306,645.73, 1,803,221.98 and 725,912.68 is: 1,001,787.76
Step by Step Solution
- Step 1: Write the proportion equation
1,306,645.73 : 1,803,221.98 = 725,912.68 : x - Step 2: Convert to fraction form
1,306,645.73/1,803,221.98 = 725,912.68/x - Step 3: Cross multiply
1,306,645.73x = 1,803,221.98 × 725,912.68 - Step 4: Simplify right side
1,306,645.73x = 1,308,981,693,813.87 - Step 5: Solve for x
x = 1,308,981,693,813.87/1,306,645.73 - Step 6: Final answer
x = 1,001,787.76
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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.