Finding the Fourth Proportional to 1,152,953.38, 1,591,045.70 and 636,744.84
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Solution
The fourth proportional to 1,152,953.38, 1,591,045.70 and 636,744.84 is: 878,691.33
Step by Step Solution
- Step 1: Write the proportion equation
1,152,953.38 : 1,591,045.70 = 636,744.84 : x - Step 2: Convert to fraction form
1,152,953.38/1,591,045.70 = 636,744.84/x - Step 3: Cross multiply
1,152,953.38x = 1,591,045.70 × 636,744.84 - Step 4: Simplify right side
1,152,953.38x = 1,013,090,139,679.19 - Step 5: Solve for x
x = 1,013,090,139,679.19/1,152,953.38 - Step 6: Final answer
x = 878,691.33
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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.