Finding the Fourth Proportional to 1,246,630.28, 1,720,349.74 and 673,670.45
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Solution
The fourth proportional to 1,246,630.28, 1,720,349.74 and 673,670.45 is: 929,665.19
Step by Step Solution
- Step 1: Write the proportion equation
1,246,630.28 : 1,720,349.74 = 673,670.45 : x - Step 2: Convert to fraction form
1,246,630.28/1,720,349.74 = 673,670.45/x - Step 3: Cross multiply
1,246,630.28x = 1,720,349.74 × 673,670.45 - Step 4: Simplify right side
1,246,630.28x = 1,158,948,780,134.83 - Step 5: Solve for x
x = 1,158,948,780,134.83/1,246,630.28 - Step 6: Final answer
x = 929,665.19
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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.