Finding the Fourth Proportional to 1,440,453.79, 1,987,772.65 and 795,860.11
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Solution
The fourth proportional to 1,440,453.79, 1,987,772.65 and 795,860.11 is: 1,098,257.35
Step by Step Solution
- Step 1: Write the proportion equation
1,440,453.79 : 1,987,772.65 = 795,860.11 : x - Step 2: Convert to fraction form
1,440,453.79/1,987,772.65 = 795,860.11/x - Step 3: Cross multiply
1,440,453.79x = 1,987,772.65 × 795,860.11 - Step 4: Simplify right side
1,440,453.79x = 1,581,988,959,883.99 - Step 5: Solve for x
x = 1,581,988,959,883.99/1,440,453.79 - Step 6: Final answer
x = 1,098,257.35
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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.