Finding the Fourth Proportional to 1,154,137.80, 1,731,242.04 and 395,968.68
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Solution
The fourth proportional to 1,154,137.80, 1,731,242.04 and 395,968.68 is: 593,965.14
Step by Step Solution
- Step 1: Write the proportion equation
1,154,137.80 : 1,731,242.04 = 395,968.68 : x - Step 2: Convert to fraction form
1,154,137.80/1,731,242.04 = 395,968.68/x - Step 3: Cross multiply
1,154,137.80x = 1,731,242.04 × 395,968.68 - Step 4: Simplify right side
1,154,137.80x = 685,517,625,339.31 - Step 5: Solve for x
x = 685,517,625,339.31/1,154,137.80 - Step 6: Final answer
x = 593,965.14
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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.