Finding the Fourth Proportional to 1,387,624.80, 2,080,400.40 and 757,250.40
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Solution
The fourth proportional to 1,387,624.80, 2,080,400.40 and 757,250.40 is: 1,135,309.80
Step by Step Solution
- Step 1: Write the proportion equation
1,387,624.80 : 2,080,400.40 = 757,250.40 : x - Step 2: Convert to fraction form
1,387,624.80/2,080,400.40 = 757,250.40/x - Step 3: Cross multiply
1,387,624.80x = 2,080,400.40 × 757,250.40 - Step 4: Simplify right side
1,387,624.80x = 1,575,384,035,060.16 - Step 5: Solve for x
x = 1,575,384,035,060.16/1,387,624.80 - Step 6: Final answer
x = 1,135,309.80
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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.