Finding the Fourth Proportional to 1,146,900.75, 1,582,724.87 and 637,603.13
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Solution
The fourth proportional to 1,146,900.75, 1,582,724.87 and 637,603.13 is: 879,893.33
Step by Step Solution
- Step 1: Write the proportion equation
1,146,900.75 : 1,582,724.87 = 637,603.13 : x - Step 2: Convert to fraction form
1,146,900.75/1,582,724.87 = 637,603.13/x - Step 3: Cross multiply
1,146,900.75x = 1,582,724.87 × 637,603.13 - Step 4: Simplify right side
1,146,900.75x = 1,009,150,319,939.20 - Step 5: Solve for x
x = 1,009,150,319,939.20/1,146,900.75 - Step 6: Final answer
x = 879,893.33
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1.5x scale
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.