Finding the Fourth Proportional to 1,216,260.14, 1,678,160.50 and 726,134.26
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Solution
The fourth proportional to 1,216,260.14, 1,678,160.50 and 726,134.26 is: 1,001,899.01
Step by Step Solution
- Step 1: Write the proportion equation
1,216,260.14 : 1,678,160.50 = 726,134.26 : x - Step 2: Convert to fraction form
1,216,260.14/1,678,160.50 = 726,134.26/x - Step 3: Cross multiply
1,216,260.14x = 1,678,160.50 × 726,134.26 - Step 4: Simplify right side
1,216,260.14x = 1,218,569,832,828.73 - Step 5: Solve for x
x = 1,218,569,832,828.73/1,216,260.14 - Step 6: Final answer
x = 1,001,899.01
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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.