Finding the Fourth Proportional to 1,146,860.12, 1,582,720.98 and 637,571
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Solution
The fourth proportional to 1,146,860.12, 1,582,720.98 and 637,571 is: 879,878.01
Step by Step Solution
- Step 1: Write the proportion equation
1,146,860.12 : 1,582,720.98 = 637,571 : x - Step 2: Convert to fraction form
1,146,860.12/1,582,720.98 = 637,571/x - Step 3: Cross multiply
1,146,860.12x = 1,582,720.98 × 637,571 - Step 4: Simplify right side
1,146,860.12x = 1,009,096,997,939.58 - Step 5: Solve for x
x = 1,009,096,997,939.58/1,146,860.12 - Step 6: Final answer
x = 879,878.01
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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.