Finding the Fourth Proportional to 1,021,114.08, 1,531,473.48 and 389,877.84
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Solution
The fourth proportional to 1,021,114.08, 1,531,473.48 and 389,877.84 is: 584,741.30
Step by Step Solution
- Step 1: Write the proportion equation
1,021,114.08 : 1,531,473.48 = 389,877.84 : x - Step 2: Convert to fraction form
1,021,114.08/1,531,473.48 = 389,877.84/x - Step 3: Cross multiply
1,021,114.08x = 1,531,473.48 × 389,877.84 - Step 4: Simplify right side
1,021,114.08x = 597,087,572,399.68 - Step 5: Solve for x
x = 597,087,572,399.68/1,021,114.08 - Step 6: Final answer
x = 584,741.30
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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.