Finding the Fourth Proportional to 1,153,645.22, 1,592,047.09 and 637,410.99
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Solution
The fourth proportional to 1,153,645.22, 1,592,047.09 and 637,410.99 is: 879,636.38
Step by Step Solution
- Step 1: Write the proportion equation
1,153,645.22 : 1,592,047.09 = 637,410.99 : x - Step 2: Convert to fraction form
1,153,645.22/1,592,047.09 = 637,410.99/x - Step 3: Cross multiply
1,153,645.22x = 1,592,047.09 × 637,410.99 - Step 4: Simplify right side
1,153,645.22x = 1,014,788,305,989.76 - Step 5: Solve for x
x = 1,014,788,305,989.76/1,153,645.22 - Step 6: Final answer
x = 879,636.38
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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.