Finding the Fourth Proportional to 1,313,741.88, 1,812,962.99 and 710,129.88
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Solution
The fourth proportional to 1,313,741.88, 1,812,962.99 and 710,129.88 is: 979,978.80
Step by Step Solution
- Step 1: Write the proportion equation
1,313,741.88 : 1,812,962.99 = 710,129.88 : x - Step 2: Convert to fraction form
1,313,741.88/1,812,962.99 = 710,129.88/x - Step 3: Cross multiply
1,313,741.88x = 1,812,962.99 × 710,129.88 - Step 4: Simplify right side
1,313,741.88x = 1,287,439,192,308.47 - Step 5: Solve for x
x = 1,287,439,192,308.47/1,313,741.88 - Step 6: Final answer
x = 979,978.80
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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.