Finding the Fourth Proportional to 1,135,320.20, 1,566,745.14 and 626,011.40
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Solution
The fourth proportional to 1,135,320.20, 1,566,745.14 and 626,011.40 is: 863,897.53
Step by Step Solution
- Step 1: Write the proportion equation
1,135,320.20 : 1,566,745.14 = 626,011.40 : x - Step 2: Convert to fraction form
1,135,320.20/1,566,745.14 = 626,011.40/x - Step 3: Cross multiply
1,135,320.20x = 1,566,745.14 × 626,011.40 - Step 4: Simplify right side
1,135,320.20x = 980,800,318,534.60 - Step 5: Solve for x
x = 980,800,318,534.60/1,135,320.20 - Step 6: Final answer
x = 863,897.53
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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.