Finding the Fourth Proportional to 1,162,318.70, 1,603,988.88 and 646,059.08
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Solution
The fourth proportional to 1,162,318.70, 1,603,988.88 and 646,059.08 is: 891,555.46
Step by Step Solution
- Step 1: Write the proportion equation
1,162,318.70 : 1,603,988.88 = 646,059.08 : x - Step 2: Convert to fraction form
1,162,318.70/1,603,988.88 = 646,059.08/x - Step 3: Cross multiply
1,162,318.70x = 1,603,988.88 × 646,059.08 - Step 4: Simplify right side
1,162,318.70x = 1,036,271,580,143.03 - Step 5: Solve for x
x = 1,036,271,580,143.03/1,162,318.70 - Step 6: Final answer
x = 891,555.46
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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.