Finding the Fourth Proportional to 1,295,462.68, 1,787,160.84 and 751,283.21
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Solution
The fourth proportional to 1,295,462.68, 1,787,160.84 and 751,283.21 is: 1,036,435.83
Step by Step Solution
- Step 1: Write the proportion equation
1,295,462.68 : 1,787,160.84 = 751,283.21 : x - Step 2: Convert to fraction form
1,295,462.68/1,787,160.84 = 751,283.21/x - Step 3: Cross multiply
1,295,462.68x = 1,787,160.84 × 751,283.21 - Step 4: Simplify right side
1,295,462.68x = 1,342,663,932,661.50 - Step 5: Solve for x
x = 1,342,663,932,661.50/1,295,462.68 - Step 6: Final answer
x = 1,036,435.83
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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.