Finding the Fourth Proportional to 1,313,373.84, 1,812,456.84 and 709,761.84
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Solution
The fourth proportional to 1,313,373.84, 1,812,456.84 and 709,761.84 is: 979,471.85
Step by Step Solution
- Step 1: Write the proportion equation
1,313,373.84 : 1,812,456.84 = 709,761.84 : x - Step 2: Convert to fraction form
1,313,373.84/1,812,456.84 = 709,761.84/x - Step 3: Cross multiply
1,313,373.84x = 1,812,456.84 × 709,761.84 - Step 4: Simplify right side
1,313,373.84x = 1,286,412,701,678.99 - Step 5: Solve for x
x = 1,286,412,701,678.99/1,313,373.84 - Step 6: Final answer
x = 979,471.85
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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.