Finding the Fourth Proportional to 1,440,390.24, 1,987,569.09 and 795,771.99
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Solution
The fourth proportional to 1,440,390.24, 1,987,569.09 and 795,771.99 is: 1,098,071.74
Step by Step Solution
- Step 1: Write the proportion equation
1,440,390.24 : 1,987,569.09 = 795,771.99 : x - Step 2: Convert to fraction form
1,440,390.24/1,987,569.09 = 795,771.99/x - Step 3: Cross multiply
1,440,390.24x = 1,987,569.09 × 795,771.99 - Step 4: Simplify right side
1,440,390.24x = 1,581,651,810,011.79 - Step 5: Solve for x
x = 1,581,651,810,011.79/1,440,390.24 - Step 6: Final answer
x = 1,098,071.74
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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.