Finding the Fourth Proportional to 1,147,241.36, 1,583,128.08 and 637,932.80
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Solution
The fourth proportional to 1,147,241.36, 1,583,128.08 and 637,932.80 is: 880,311.12
Step by Step Solution
- Step 1: Write the proportion equation
1,147,241.36 : 1,583,128.08 = 637,932.80 : x - Step 2: Convert to fraction form
1,147,241.36/1,583,128.08 = 637,932.80/x - Step 3: Cross multiply
1,147,241.36x = 1,583,128.08 × 637,932.80 - Step 4: Simplify right side
1,147,241.36x = 1,009,929,328,833.02 - Step 5: Solve for x
x = 1,009,929,328,833.02/1,147,241.36 - Step 6: Final answer
x = 880,311.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.