Finding the Fourth Proportional to 1,146,661.92, 1,582,394.47 and 630,424.62
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Solution
The fourth proportional to 1,146,661.92, 1,582,394.47 and 630,424.62 is: 869,986.54
Step by Step Solution
- Step 1: Write the proportion equation
1,146,661.92 : 1,582,394.47 = 630,424.62 : x - Step 2: Convert to fraction form
1,146,661.92/1,582,394.47 = 630,424.62/x - Step 3: Cross multiply
1,146,661.92x = 1,582,394.47 × 630,424.62 - Step 4: Simplify right side
1,146,661.92x = 997,580,430,863.79 - Step 5: Solve for x
x = 997,580,430,863.79/1,146,661.92 - Step 6: Final answer
x = 869,986.54
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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.