Finding the Fourth Proportional to 1,212,175.55, 1,818,272.43 and 538,075.63
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Solution
The fourth proportional to 1,212,175.55, 1,818,272.43 and 538,075.63 is: 807,117.48
Step by Step Solution
- Step 1: Write the proportion equation
1,212,175.55 : 1,818,272.43 = 538,075.63 : x - Step 2: Convert to fraction form
1,212,175.55/1,818,272.43 = 538,075.63/x - Step 3: Cross multiply
1,212,175.55x = 1,818,272.43 × 538,075.63 - Step 4: Simplify right side
1,212,175.55x = 978,368,076,842.28 - Step 5: Solve for x
x = 978,368,076,842.28/1,212,175.55 - Step 6: Final answer
x = 807,117.48
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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.