Finding the Fourth Proportional to 1,390,744.08, 2,086,827.49 and 662,090.69
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Solution
The fourth proportional to 1,390,744.08, 2,086,827.49 and 662,090.69 is: 993,474.70
Step by Step Solution
- Step 1: Write the proportion equation
1,390,744.08 : 2,086,827.49 = 662,090.69 : x - Step 2: Convert to fraction form
1,390,744.08/2,086,827.49 = 662,090.69/x - Step 3: Cross multiply
1,390,744.08x = 2,086,827.49 × 662,090.69 - Step 4: Simplify right side
1,390,744.08x = 1,381,669,056,326.91 - Step 5: Solve for x
x = 1,381,669,056,326.91/1,390,744.08 - Step 6: Final answer
x = 993,474.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.