Finding the Fourth Proportional to 1,010,642.68, 1,394,660.22 and 557,923.96
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Solution
The fourth proportional to 1,010,642.68, 1,394,660.22 and 557,923.96 is: 769,920.34
Step by Step Solution
- Step 1: Write the proportion equation
1,010,642.68 : 1,394,660.22 = 557,923.96 : x - Step 2: Convert to fraction form
1,010,642.68/1,394,660.22 = 557,923.96/x - Step 3: Cross multiply
1,010,642.68x = 1,394,660.22 × 557,923.96 - Step 4: Simplify right side
1,010,642.68x = 778,114,352,796.87 - Step 5: Solve for x
x = 778,114,352,796.87/1,010,642.68 - Step 6: Final answer
x = 769,920.34
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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.