Finding the Fourth Proportional to 1,078,525.81, 1,488,396.75 and 595,122.09
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Solution
The fourth proportional to 1,078,525.81, 1,488,396.75 and 595,122.09 is: 821,285.66
Step by Step Solution
- Step 1: Write the proportion equation
1,078,525.81 : 1,488,396.75 = 595,122.09 : x - Step 2: Convert to fraction form
1,078,525.81/1,488,396.75 = 595,122.09/x - Step 3: Cross multiply
1,078,525.81x = 1,488,396.75 × 595,122.09 - Step 4: Simplify right side
1,078,525.81x = 885,777,784,609.21 - Step 5: Solve for x
x = 885,777,784,609.21/1,078,525.81 - Step 6: Final answer
x = 821,285.66
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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.