Finding the Fourth Proportional to 1,362,805.99, 1,880,672.43 and 790,178.31
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Solution
The fourth proportional to 1,362,805.99, 1,880,672.43 and 790,178.31 is: 1,090,446.17
Step by Step Solution
- Step 1: Write the proportion equation
1,362,805.99 : 1,880,672.43 = 790,178.31 : x - Step 2: Convert to fraction form
1,362,805.99/1,880,672.43 = 790,178.31/x - Step 3: Cross multiply
1,362,805.99x = 1,880,672.43 × 790,178.31 - Step 4: Simplify right side
1,362,805.99x = 1,486,066,566,208.80 - Step 5: Solve for x
x = 1,486,066,566,208.80/1,362,805.99 - Step 6: Final answer
x = 1,090,446.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.