Finding the Fourth Proportional to 1,563,325.20, 2,345,765.40 and 616,726.80
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Solution
The fourth proportional to 1,563,325.20, 2,345,765.40 and 616,726.80 is: 925,396.96
Step by Step Solution
- Step 1: Write the proportion equation
1,563,325.20 : 2,345,765.40 = 616,726.80 : x - Step 2: Convert to fraction form
1,563,325.20/2,345,765.40 = 616,726.80/x - Step 3: Cross multiply
1,563,325.20x = 2,345,765.40 × 616,726.80 - Step 4: Simplify right side
1,563,325.20x = 1,446,696,388,692.72 - Step 5: Solve for x
x = 1,446,696,388,692.72/1,563,325.20 - Step 6: Final answer
x = 925,396.96
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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.