Finding the Fourth Proportional to 1,144,485.84, 1,579,370.76 and 635,209.68
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Solution
The fourth proportional to 1,144,485.84, 1,579,370.76 and 635,209.68 is: 876,578.42
Step by Step Solution
- Step 1: Write the proportion equation
1,144,485.84 : 1,579,370.76 = 635,209.68 : x - Step 2: Convert to fraction form
1,144,485.84/1,579,370.76 = 635,209.68/x - Step 3: Cross multiply
1,144,485.84x = 1,579,370.76 × 635,209.68 - Step 4: Simplify right side
1,144,485.84x = 1,003,231,595,060.96 - Step 5: Solve for x
x = 1,003,231,595,060.96/1,144,485.84 - Step 6: Final answer
x = 876,578.42
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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.