Finding the Fourth Proportional to 1,153,874.03, 1,592,442.04 and 637,728.70
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Solution
The fourth proportional to 1,153,874.03, 1,592,442.04 and 637,728.70 is: 880,118.60
Step by Step Solution
- Step 1: Write the proportion equation
1,153,874.03 : 1,592,442.04 = 637,728.70 : x - Step 2: Convert to fraction form
1,153,874.03/1,592,442.04 = 637,728.70/x - Step 3: Cross multiply
1,153,874.03x = 1,592,442.04 × 637,728.70 - Step 4: Simplify right side
1,153,874.03x = 1,015,545,990,400.23 - Step 5: Solve for x
x = 1,015,545,990,400.23/1,153,874.03 - Step 6: Final answer
x = 880,118.60
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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.