Finding the Fourth Proportional to 1,010,621.28, 1,394,573.52 and 574,922.70
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Solution
The fourth proportional to 1,010,621.28, 1,394,573.52 and 574,922.70 is: 793,345.63
Step by Step Solution
- Step 1: Write the proportion equation
1,010,621.28 : 1,394,573.52 = 574,922.70 : x - Step 2: Convert to fraction form
1,010,621.28/1,394,573.52 = 574,922.70/x - Step 3: Cross multiply
1,010,621.28x = 1,394,573.52 × 574,922.70 - Step 4: Simplify right side
1,010,621.28x = 801,771,973,466.90 - Step 5: Solve for x
x = 801,771,973,466.90/1,010,621.28 - Step 6: Final answer
x = 793,345.63
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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.