Finding the Fourth Proportional to 1,007,568.71, 1,389,994.99 and 680,776.23
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Solution
The fourth proportional to 1,007,568.71, 1,389,994.99 and 680,776.23 is: 939,167.26
Step by Step Solution
- Step 1: Write the proportion equation
1,007,568.71 : 1,389,994.99 = 680,776.23 : x - Step 2: Convert to fraction form
1,007,568.71/1,389,994.99 = 680,776.23/x - Step 3: Cross multiply
1,007,568.71x = 1,389,994.99 × 680,776.23 - Step 4: Simplify right side
1,007,568.71x = 946,275,549,011.09 - Step 5: Solve for x
x = 946,275,549,011.09/1,007,568.71 - Step 6: Final answer
x = 939,167.26
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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.