Finding the Fourth Proportional to 1,112,458.14, 1,668,603.36 and 354,268.98
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Solution
The fourth proportional to 1,112,458.14, 1,668,603.36 and 354,268.98 is: 531,376.77
Step by Step Solution
- Step 1: Write the proportion equation
1,112,458.14 : 1,668,603.36 = 354,268.98 : x - Step 2: Convert to fraction form
1,112,458.14/1,668,603.36 = 354,268.98/x - Step 3: Cross multiply
1,112,458.14x = 1,668,603.36 × 354,268.98 - Step 4: Simplify right side
1,112,458.14x = 591,134,410,371.77 - Step 5: Solve for x
x = 591,134,410,371.77/1,112,458.14 - Step 6: Final answer
x = 531,376.77
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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.