Finding the Fourth Proportional to 1,153,448.84, 1,591,754.18 and 637,202.90
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Solution
The fourth proportional to 1,153,448.84, 1,591,754.18 and 637,202.90 is: 879,337.12
Step by Step Solution
- Step 1: Write the proportion equation
1,153,448.84 : 1,591,754.18 = 637,202.90 : x - Step 2: Convert to fraction form
1,153,448.84/1,591,754.18 = 637,202.90/x - Step 3: Cross multiply
1,153,448.84x = 1,591,754.18 × 637,202.90 - Step 4: Simplify right side
1,153,448.84x = 1,014,270,379,583.12 - Step 5: Solve for x
x = 1,014,270,379,583.12/1,153,448.84 - Step 6: Final answer
x = 879,337.12
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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.