Finding the Fourth Proportional to 1,329,306.05, 1,834,433.02 and 725,694.05
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Solution
The fourth proportional to 1,329,306.05, 1,834,433.02 and 725,694.05 is: 1,001,452.70
Step by Step Solution
- Step 1: Write the proportion equation
1,329,306.05 : 1,834,433.02 = 725,694.05 : x - Step 2: Convert to fraction form
1,329,306.05/1,834,433.02 = 725,694.05/x - Step 3: Cross multiply
1,329,306.05x = 1,834,433.02 × 725,694.05 - Step 4: Simplify right side
1,329,306.05x = 1,331,237,133,230.73 - Step 5: Solve for x
x = 1,331,237,133,230.73/1,329,306.05 - Step 6: Final answer
x = 1,001,452.70
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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.