Finding the Fourth Proportional to 1,270,125.06, 1,752,757.68 and 689,349.21
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Solution
The fourth proportional to 1,270,125.06, 1,752,757.68 and 689,349.21 is: 951,293.82
Step by Step Solution
- Step 1: Write the proportion equation
1,270,125.06 : 1,752,757.68 = 689,349.21 : x - Step 2: Convert to fraction form
1,270,125.06/1,752,757.68 = 689,349.21/x - Step 3: Cross multiply
1,270,125.06x = 1,752,757.68 × 689,349.21 - Step 4: Simplify right side
1,270,125.06x = 1,208,262,122,029.43 - Step 5: Solve for x
x = 1,208,262,122,029.43/1,270,125.06 - Step 6: Final answer
x = 951,293.82
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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.