Finding the Fourth Proportional to 1,283,488.80, 1,770,658.43 and 773,908.08
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Solution
The fourth proportional to 1,283,488.80, 1,770,658.43 and 773,908.08 is: 1,067,657.83
Step by Step Solution
- Step 1: Write the proportion equation
1,283,488.80 : 1,770,658.43 = 773,908.08 : x - Step 2: Convert to fraction form
1,283,488.80/1,770,658.43 = 773,908.08/x - Step 3: Cross multiply
1,283,488.80x = 1,770,658.43 × 773,908.08 - Step 4: Simplify right side
1,283,488.80x = 1,370,326,862,027.57 - Step 5: Solve for x
x = 1,370,326,862,027.57/1,283,488.80 - Step 6: Final answer
x = 1,067,657.83
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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.