Finding the Fourth Proportional to 1,308,754.08, 1,959,629.94 and 768,565.08
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Solution
The fourth proportional to 1,308,754.08, 1,959,629.94 and 768,565.08 is: 1,150,791.55
Step by Step Solution
- Step 1: Write the proportion equation
1,308,754.08 : 1,959,629.94 = 768,565.08 : x - Step 2: Convert to fraction form
1,308,754.08/1,959,629.94 = 768,565.08/x - Step 3: Cross multiply
1,308,754.08x = 1,959,629.94 × 768,565.08 - Step 4: Simplify right side
1,308,754.08x = 1,506,103,141,606.50 - Step 5: Solve for x
x = 1,506,103,141,606.50/1,308,754.08 - Step 6: Final answer
x = 1,150,791.55
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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.