Finding the Fourth Proportional to 1,234,545.42, 1,703,603.70 and 690,576.18
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Solution
The fourth proportional to 1,234,545.42, 1,703,603.70 and 690,576.18 is: 952,956.54
Step by Step Solution
- Step 1: Write the proportion equation
1,234,545.42 : 1,703,603.70 = 690,576.18 : x - Step 2: Convert to fraction form
1,234,545.42/1,703,603.70 = 690,576.18/x - Step 3: Cross multiply
1,234,545.42x = 1,703,603.70 × 690,576.18 - Step 4: Simplify right side
1,234,545.42x = 1,176,468,135,379.87 - Step 5: Solve for x
x = 1,176,468,135,379.87/1,234,545.42 - Step 6: Final answer
x = 952,956.54
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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.