Finding the Fourth Proportional to 1,036,688.08, 1,554,926.97 and 278,431
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Solution
The fourth proportional to 1,036,688.08, 1,554,926.97 and 278,431 is: 417,618.26
Step by Step Solution
- Step 1: Write the proportion equation
1,036,688.08 : 1,554,926.97 = 278,431 : x - Step 2: Convert to fraction form
1,036,688.08/1,554,926.97 = 278,431/x - Step 3: Cross multiply
1,036,688.08x = 1,554,926.97 × 278,431 - Step 4: Simplify right side
1,036,688.08x = 432,939,871,184.07 - Step 5: Solve for x
x = 432,939,871,184.07/1,036,688.08 - Step 6: Final answer
x = 417,618.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.