Finding the Fourth Proportional to 1,101,314.97, 1,649,825.75 and 620,071.76
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Solution
The fourth proportional to 1,101,314.97, 1,649,825.75 and 620,071.76 is: 928,898.99
Step by Step Solution
- Step 1: Write the proportion equation
1,101,314.97 : 1,649,825.75 = 620,071.76 : x - Step 2: Convert to fraction form
1,101,314.97/1,649,825.75 = 620,071.76/x - Step 3: Cross multiply
1,101,314.97x = 1,649,825.75 × 620,071.76 - Step 4: Simplify right side
1,101,314.97x = 1,023,010,362,170.56 - Step 5: Solve for x
x = 1,023,010,362,170.56/1,101,314.97 - Step 6: Final answer
x = 928,898.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.