Finding the Fourth Proportional to 1,012,944.24, 1,518,855.48 and 414,325.80
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Solution
The fourth proportional to 1,012,944.24, 1,518,855.48 and 414,325.80 is: 621,259.28
Step by Step Solution
- Step 1: Write the proportion equation
1,012,944.24 : 1,518,855.48 = 414,325.80 : x - Step 2: Convert to fraction form
1,012,944.24/1,518,855.48 = 414,325.80/x - Step 3: Cross multiply
1,012,944.24x = 1,518,855.48 × 414,325.80 - Step 4: Simplify right side
1,012,944.24x = 629,301,011,835.38 - Step 5: Solve for x
x = 629,301,011,835.38/1,012,944.24 - Step 6: Final answer
x = 621,259.28
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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.