Finding the Fourth Proportional to 1,008,630.91, 1,513,182.88 and 401,455.97
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Solution
The fourth proportional to 1,008,630.91, 1,513,182.88 and 401,455.97 is: 602,278.09
Step by Step Solution
- Step 1: Write the proportion equation
1,008,630.91 : 1,513,182.88 = 401,455.97 : x - Step 2: Convert to fraction form
1,008,630.91/1,513,182.88 = 401,455.97/x - Step 3: Cross multiply
1,008,630.91x = 1,513,182.88 × 401,455.97 - Step 4: Simplify right side
1,008,630.91x = 607,476,300,877.79 - Step 5: Solve for x
x = 607,476,300,877.79/1,008,630.91 - Step 6: Final answer
x = 602,278.09
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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.