Finding the Fourth Proportional to 1,358,555.63, 1,874,767.13 and 777,759.51
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Solution
The fourth proportional to 1,358,555.63, 1,874,767.13 and 777,759.51 is: 1,073,285.43
Step by Step Solution
- Step 1: Write the proportion equation
1,358,555.63 : 1,874,767.13 = 777,759.51 : x - Step 2: Convert to fraction form
1,358,555.63/1,874,767.13 = 777,759.51/x - Step 3: Cross multiply
1,358,555.63x = 1,874,767.13 × 777,759.51 - Step 4: Simplify right side
1,358,555.63x = 1,458,117,959,306.93 - Step 5: Solve for x
x = 1,458,117,959,306.93/1,358,555.63 - Step 6: Final answer
x = 1,073,285.43
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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.