Finding the Fourth Proportional to 1,302,486.56, 1,798,309.18 and 813,201.81
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Solution
The fourth proportional to 1,302,486.56, 1,798,309.18 and 813,201.81 is: 1,122,766.50
Step by Step Solution
- Step 1: Write the proportion equation
1,302,486.56 : 1,798,309.18 = 813,201.81 : x - Step 2: Convert to fraction form
1,302,486.56/1,798,309.18 = 813,201.81/x - Step 3: Cross multiply
1,302,486.56x = 1,798,309.18 × 813,201.81 - Step 4: Simplify right side
1,302,486.56x = 1,462,388,280,115.62 - Step 5: Solve for x
x = 1,462,388,280,115.62/1,302,486.56 - Step 6: Final answer
x = 1,122,766.50
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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.