Finding the Fourth Proportional to 1,370,952.90, 2,056,849.74 and 613,431.99
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Solution
The fourth proportional to 1,370,952.90, 2,056,849.74 and 613,431.99 is: 920,336.08
Step by Step Solution
- Step 1: Write the proportion equation
1,370,952.90 : 2,056,849.74 = 613,431.99 : x - Step 2: Convert to fraction form
1,370,952.90/2,056,849.74 = 613,431.99/x - Step 3: Cross multiply
1,370,952.90x = 2,056,849.74 × 613,431.99 - Step 4: Simplify right side
1,370,952.90x = 1,261,737,418,854.93 - Step 5: Solve for x
x = 1,261,737,418,854.93/1,370,952.90 - Step 6: Final answer
x = 920,336.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.