Finding the Fourth Proportional to 1,138,378.68, 1,570,962.06 and 629,076.60
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Solution
The fourth proportional to 1,138,378.68, 1,570,962.06 and 629,076.60 is: 868,125.42
Step by Step Solution
- Step 1: Write the proportion equation
1,138,378.68 : 1,570,962.06 = 629,076.60 : x - Step 2: Convert to fraction form
1,138,378.68/1,570,962.06 = 629,076.60/x - Step 3: Cross multiply
1,138,378.68x = 1,570,962.06 × 629,076.60 - Step 4: Simplify right side
1,138,378.68x = 988,255,471,433.80 - Step 5: Solve for x
x = 988,255,471,433.80/1,138,378.68 - Step 6: Final answer
x = 868,125.42
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.