Finding the Fourth Proportional to 1,119,885.60, 1,683,975.60 and 937,408.80
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Solution
The fourth proportional to 1,119,885.60, 1,683,975.60 and 937,408.80 is: 1,409,584.65
Step by Step Solution
- Step 1: Write the proportion equation
1,119,885.60 : 1,683,975.60 = 937,408.80 : x - Step 2: Convert to fraction form
1,119,885.60/1,683,975.60 = 937,408.80/x - Step 3: Cross multiply
1,119,885.60x = 1,683,975.60 × 937,408.80 - Step 4: Simplify right side
1,119,885.60x = 1,578,573,546,425.28 - Step 5: Solve for x
x = 1,578,573,546,425.28/1,119,885.60 - Step 6: Final answer
x = 1,409,584.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.