Finding the Fourth Proportional to 1,358,454.28, 1,874,627.37 and 777,657.81
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Solution
The fourth proportional to 1,358,454.28, 1,874,627.37 and 777,657.81 is: 1,073,145.14
Step by Step Solution
- Step 1: Write the proportion equation
1,358,454.28 : 1,874,627.37 = 777,657.81 : x - Step 2: Convert to fraction form
1,358,454.28/1,874,627.37 = 777,657.81/x - Step 3: Cross multiply
1,358,454.28x = 1,874,627.37 × 777,657.81 - Step 4: Simplify right side
1,358,454.28x = 1,457,818,608,090.41 - Step 5: Solve for x
x = 1,457,818,608,090.41/1,358,454.28 - Step 6: Final answer
x = 1,073,145.14
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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.