Finding the Fourth Proportional to 1,055,698.18, 1,455,922.82 and 823,182.75
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Solution
The fourth proportional to 1,055,698.18, 1,455,922.82 and 823,182.75 is: 1,135,258.71
Step by Step Solution
- Step 1: Write the proportion equation
1,055,698.18 : 1,455,922.82 = 823,182.75 : x - Step 2: Convert to fraction form
1,055,698.18/1,455,922.82 = 823,182.75/x - Step 3: Cross multiply
1,055,698.18x = 1,455,922.82 × 823,182.75 - Step 4: Simplify right side
1,055,698.18x = 1,198,490,552,813.31 - Step 5: Solve for x
x = 1,198,490,552,813.31/1,055,698.18 - Step 6: Final answer
x = 1,135,258.71
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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.