Finding the Fourth Proportional to 1,358,417.62, 1,874,576.68 and 777,621.50
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Solution
The fourth proportional to 1,358,417.62, 1,874,576.68 and 777,621.50 is: 1,073,094.98
Step by Step Solution
- Step 1: Write the proportion equation
1,358,417.62 : 1,874,576.68 = 777,621.50 : x - Step 2: Convert to fraction form
1,358,417.62/1,874,576.68 = 777,621.50/x - Step 3: Cross multiply
1,358,417.62x = 1,874,576.68 × 777,621.50 - Step 4: Simplify right side
1,358,417.62x = 1,457,711,129,766.62 - Step 5: Solve for x
x = 1,457,711,129,766.62/1,358,417.62 - Step 6: Final answer
x = 1,073,094.98
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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.