Finding the Fourth Proportional to 1,121,932.64, 1,681,652.36 and 854,812.46
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Solution
The fourth proportional to 1,121,932.64, 1,681,652.36 and 854,812.46 is: 1,281,268.89
Step by Step Solution
- Step 1: Write the proportion equation
1,121,932.64 : 1,681,652.36 = 854,812.46 : x - Step 2: Convert to fraction form
1,121,932.64/1,681,652.36 = 854,812.46/x - Step 3: Cross multiply
1,121,932.64x = 1,681,652.36 × 854,812.46 - Step 4: Simplify right side
1,121,932.64x = 1,437,497,384,445.17 - Step 5: Solve for x
x = 1,437,497,384,445.17/1,121,932.64 - Step 6: Final answer
x = 1,281,268.89
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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.