Finding the Fourth Proportional to 1,134,866.12, 1,702,705.68 and 486,170.19
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Solution
The fourth proportional to 1,134,866.12, 1,702,705.68 and 486,170.19 is: 729,429.43
Step by Step Solution
- Step 1: Write the proportion equation
1,134,866.12 : 1,702,705.68 = 486,170.19 : x - Step 2: Convert to fraction form
1,134,866.12/1,702,705.68 = 486,170.19/x - Step 3: Cross multiply
1,134,866.12x = 1,702,705.68 × 486,170.19 - Step 4: Simplify right side
1,134,866.12x = 827,804,743,959.68 - Step 5: Solve for x
x = 827,804,743,959.68/1,134,866.12 - Step 6: Final answer
x = 729,429.43
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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.