Finding the Fourth Proportional to 1,256,585.97, 1,734,690.93 and 773,565.15
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Solution
The fourth proportional to 1,256,585.97, 1,734,690.93 and 773,565.15 is: 1,067,890.68
Step by Step Solution
- Step 1: Write the proportion equation
1,256,585.97 : 1,734,690.93 = 773,565.15 : x - Step 2: Convert to fraction form
1,256,585.97/1,734,690.93 = 773,565.15/x - Step 3: Cross multiply
1,256,585.97x = 1,734,690.93 × 773,565.15 - Step 4: Simplify right side
1,256,585.97x = 1,341,896,449,469.09 - Step 5: Solve for x
x = 1,341,896,449,469.09/1,256,585.97 - Step 6: Final answer
x = 1,067,890.68
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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.