Finding the Fourth Proportional to 1,307,861.63, 1,959,965.38 and 633,764.14
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Solution
The fourth proportional to 1,307,861.63, 1,959,965.38 and 633,764.14 is: 949,760.85
Step by Step Solution
- Step 1: Write the proportion equation
1,307,861.63 : 1,959,965.38 = 633,764.14 : x - Step 2: Convert to fraction form
1,307,861.63/1,959,965.38 = 633,764.14/x - Step 3: Cross multiply
1,307,861.63x = 1,959,965.38 × 633,764.14 - Step 4: Simplify right side
1,307,861.63x = 1,242,155,773,485.47 - Step 5: Solve for x
x = 1,242,155,773,485.47/1,307,861.63 - Step 6: Final answer
x = 949,760.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.