Finding the Fourth Proportional to 1,234,536.96, 1,703,727.19 and 690,640.31
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Solution
The fourth proportional to 1,234,536.96, 1,703,727.19 and 690,640.31 is: 953,120.65
Step by Step Solution
- Step 1: Write the proportion equation
1,234,536.96 : 1,703,727.19 = 690,640.31 : x - Step 2: Convert to fraction form
1,234,536.96/1,703,727.19 = 690,640.31/x - Step 3: Cross multiply
1,234,536.96x = 1,703,727.19 × 690,640.31 - Step 4: Simplify right side
1,234,536.96x = 1,176,662,674,657.03 - Step 5: Solve for x
x = 1,176,662,674,657.03/1,234,536.96 - Step 6: Final answer
x = 953,120.65
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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.