Finding the Fourth Proportional to 1,146,999.28, 1,582,884.68 and 630,720.44
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Solution
The fourth proportional to 1,146,999.28, 1,582,884.68 and 630,720.44 is: 870,408.32
Step by Step Solution
- Step 1: Write the proportion equation
1,146,999.28 : 1,582,884.68 = 630,720.44 : x - Step 2: Convert to fraction form
1,146,999.28/1,582,884.68 = 630,720.44/x - Step 3: Cross multiply
1,146,999.28x = 1,582,884.68 × 630,720.44 - Step 4: Simplify right side
1,146,999.28x = 998,357,721,838.86 - Step 5: Solve for x
x = 998,357,721,838.86/1,146,999.28 - Step 6: Final answer
x = 870,408.32
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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.