Finding the Fourth Proportional to 1,234,535.73, 1,703,725.50 and 690,639.09
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Solution
The fourth proportional to 1,234,535.73, 1,703,725.50 and 690,639.09 is: 953,118.96
Step by Step Solution
- Step 1: Write the proportion equation
1,234,535.73 : 1,703,725.50 = 690,639.09 : x - Step 2: Convert to fraction form
1,234,535.73/1,703,725.50 = 690,639.09/x - Step 3: Cross multiply
1,234,535.73x = 1,703,725.50 × 690,639.09 - Step 4: Simplify right side
1,234,535.73x = 1,176,659,417,821.27 - Step 5: Solve for x
x = 1,176,659,417,821.27/1,234,535.73 - Step 6: Final answer
x = 953,118.96
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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.