Finding the Fourth Proportional to 1,302,463.76, 1,798,277.68 and 813,178.96
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Solution
The fourth proportional to 1,302,463.76, 1,798,277.68 and 813,178.96 is: 1,122,734.94
Step by Step Solution
- Step 1: Write the proportion equation
1,302,463.76 : 1,798,277.68 = 813,178.96 : x - Step 2: Convert to fraction form
1,302,463.76/1,798,277.68 = 813,178.96/x - Step 3: Cross multiply
1,302,463.76x = 1,798,277.68 × 813,178.96 - Step 4: Simplify right side
1,302,463.76x = 1,462,321,573,613.61 - Step 5: Solve for x
x = 1,462,321,573,613.61/1,302,463.76 - Step 6: Final answer
x = 1,122,734.94
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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.