Finding the Fourth Proportional to 1,147,220.01, 1,583,201.97 and 630,995.67
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Solution
The fourth proportional to 1,147,220.01, 1,583,201.97 and 630,995.67 is: 870,795.12
Step by Step Solution
- Step 1: Write the proportion equation
1,147,220.01 : 1,583,201.97 = 630,995.67 : x - Step 2: Convert to fraction form
1,147,220.01/1,583,201.97 = 630,995.67/x - Step 3: Cross multiply
1,147,220.01x = 1,583,201.97 × 630,995.67 - Step 4: Simplify right side
1,147,220.01x = 998,993,587,805.47 - Step 5: Solve for x
x = 998,993,587,805.47/1,147,220.01 - Step 6: Final answer
x = 870,795.12
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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.