Finding the Fourth Proportional to 1,270,122.84, 1,752,754.68 and 689,346.99
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Solution
The fourth proportional to 1,270,122.84, 1,752,754.68 and 689,346.99 is: 951,290.79
Step by Step Solution
- Step 1: Write the proportion equation
1,270,122.84 : 1,752,754.68 = 689,346.99 : x - Step 2: Convert to fraction form
1,270,122.84/1,752,754.68 = 689,346.99/x - Step 3: Cross multiply
1,270,122.84x = 1,752,754.68 × 689,346.99 - Step 4: Simplify right side
1,270,122.84x = 1,208,256,162,866.41 - Step 5: Solve for x
x = 1,208,256,162,866.41/1,270,122.84 - Step 6: Final answer
x = 951,290.79
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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.