Finding the Fourth Proportional to 1,425,249.08, 1,966,844.58 and 780,680.06
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Solution
The fourth proportional to 1,425,249.08, 1,966,844.58 and 780,680.06 is: 1,077,338.95
Step by Step Solution
- Step 1: Write the proportion equation
1,425,249.08 : 1,966,844.58 = 780,680.06 : x - Step 2: Convert to fraction form
1,425,249.08/1,966,844.58 = 780,680.06/x - Step 3: Cross multiply
1,425,249.08x = 1,966,844.58 × 780,680.06 - Step 4: Simplify right side
1,425,249.08x = 1,535,476,344,725.08 - Step 5: Solve for x
x = 1,535,476,344,725.08/1,425,249.08 - Step 6: Final answer
x = 1,077,338.95
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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.