Finding the Fourth Proportional to 1,111,568.81, 1,533,965.99 and 602,271.18
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Solution
The fourth proportional to 1,111,568.81, 1,533,965.99 and 602,271.18 is: 831,134.79
Step by Step Solution
- Step 1: Write the proportion equation
1,111,568.81 : 1,533,965.99 = 602,271.18 : x - Step 2: Convert to fraction form
1,111,568.81/1,533,965.99 = 602,271.18/x - Step 3: Cross multiply
1,111,568.81x = 1,533,965.99 × 602,271.18 - Step 4: Simplify right side
1,111,568.81x = 923,863,503,865.81 - Step 5: Solve for x
x = 923,863,503,865.81/1,111,568.81 - Step 6: Final answer
x = 831,134.79
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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.