Finding the Fourth Proportional to 1,387,237.73, 2,080,809.68 and 488,655.98
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Solution
The fourth proportional to 1,387,237.73, 2,080,809.68 and 488,655.98 is: 732,967.44
Step by Step Solution
- Step 1: Write the proportion equation
1,387,237.73 : 2,080,809.68 = 488,655.98 : x - Step 2: Convert to fraction form
1,387,237.73/2,080,809.68 = 488,655.98/x - Step 3: Cross multiply
1,387,237.73x = 2,080,809.68 × 488,655.98 - Step 4: Simplify right side
1,387,237.73x = 1,016,800,093,373.89 - Step 5: Solve for x
x = 1,016,800,093,373.89/1,387,237.73 - Step 6: Final answer
x = 732,967.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.