Finding the Fourth Proportional to 1,246,545.32, 1,869,817.86 and 299,916.05
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Solution
The fourth proportional to 1,246,545.32, 1,869,817.86 and 299,916.05 is: 449,874.04
Step by Step Solution
- Step 1: Write the proportion equation
1,246,545.32 : 1,869,817.86 = 299,916.05 : x - Step 2: Convert to fraction form
1,246,545.32/1,869,817.86 = 299,916.05/x - Step 3: Cross multiply
1,246,545.32x = 1,869,817.86 × 299,916.05 - Step 4: Simplify right side
1,246,545.32x = 560,788,377,441.56 - Step 5: Solve for x
x = 560,788,377,441.56/1,246,545.32 - Step 6: Final answer
x = 449,874.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.