Finding the Fourth Proportional to 1,246,768.86, 1,720,548.90 and 673,807.68
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Solution
The fourth proportional to 1,246,768.86, 1,720,548.90 and 673,807.68 is: 929,858.85
Step by Step Solution
- Step 1: Write the proportion equation
1,246,768.86 : 1,720,548.90 = 673,807.68 : x - Step 2: Convert to fraction form
1,246,768.86/1,720,548.90 = 673,807.68/x - Step 3: Cross multiply
1,246,768.86x = 1,720,548.90 × 673,807.68 - Step 4: Simplify right side
1,246,768.86x = 1,159,319,062,635.55 - Step 5: Solve for x
x = 1,159,319,062,635.55/1,246,768.86 - Step 6: Final answer
x = 929,858.85
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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.