Finding the Fourth Proportional to 1,020,805.20, 1,408,681.80 and 568,086.48
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Solution
The fourth proportional to 1,020,805.20, 1,408,681.80 and 568,086.48 is: 783,942.99
Step by Step Solution
- Step 1: Write the proportion equation
1,020,805.20 : 1,408,681.80 = 568,086.48 : x - Step 2: Convert to fraction form
1,020,805.20/1,408,681.80 = 568,086.48/x - Step 3: Cross multiply
1,020,805.20x = 1,408,681.80 × 568,086.48 - Step 4: Simplify right side
1,020,805.20x = 800,253,085,202.06 - Step 5: Solve for x
x = 800,253,085,202.06/1,020,805.20 - Step 6: Final answer
x = 783,942.99
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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.