Finding the Fourth Proportional to 1,338,519.65, 1,847,189.24 and 726,698.19
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Solution
The fourth proportional to 1,338,519.65, 1,847,189.24 and 726,698.19 is: 1,002,860.95
Step by Step Solution
- Step 1: Write the proportion equation
1,338,519.65 : 1,847,189.24 = 726,698.19 : x - Step 2: Convert to fraction form
1,338,519.65/1,847,189.24 = 726,698.19/x - Step 3: Cross multiply
1,338,519.65x = 1,847,189.24 × 726,698.19 - Step 4: Simplify right side
1,338,519.65x = 1,342,349,083,314.06 - Step 5: Solve for x
x = 1,342,349,083,314.06/1,338,519.65 - Step 6: Final answer
x = 1,002,860.95
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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.