Finding the Fourth Proportional to 1,020,692.99, 1,408,545.25 and 561,797.75
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Solution
The fourth proportional to 1,020,692.99, 1,408,545.25 and 561,797.75 is: 775,274.80
Step by Step Solution
- Step 1: Write the proportion equation
1,020,692.99 : 1,408,545.25 = 561,797.75 : x - Step 2: Convert to fraction form
1,020,692.99/1,408,545.25 = 561,797.75/x - Step 3: Cross multiply
1,020,692.99x = 1,408,545.25 × 561,797.75 - Step 4: Simplify right side
1,020,692.99x = 791,317,554,340.06 - Step 5: Solve for x
x = 791,317,554,340.06/1,020,692.99 - Step 6: Final answer
x = 775,274.80
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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.