Finding the Fourth Proportional to 1,048,888.18, 1,447,451.13 and 589,968.10
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Solution
The fourth proportional to 1,048,888.18, 1,447,451.13 and 589,968.10 is: 814,147.79
Step by Step Solution
- Step 1: Write the proportion equation
1,048,888.18 : 1,447,451.13 = 589,968.10 : x - Step 2: Convert to fraction form
1,048,888.18/1,447,451.13 = 589,968.10/x - Step 3: Cross multiply
1,048,888.18x = 1,447,451.13 × 589,968.10 - Step 4: Simplify right side
1,048,888.18x = 853,949,993,008.95 - Step 5: Solve for x
x = 853,949,993,008.95/1,048,888.18 - Step 6: Final answer
x = 814,147.79
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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.