Finding the Fourth Proportional to 1,212,932.16, 1,820,055.96 and 503,446.68
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Solution
The fourth proportional to 1,212,932.16, 1,820,055.96 and 503,446.68 is: 755,443.02
Step by Step Solution
- Step 1: Write the proportion equation
1,212,932.16 : 1,820,055.96 = 503,446.68 : x - Step 2: Convert to fraction form
1,212,932.16/1,820,055.96 = 503,446.68/x - Step 3: Cross multiply
1,212,932.16x = 1,820,055.96 × 503,446.68 - Step 4: Simplify right side
1,212,932.16x = 916,301,130,476.21 - Step 5: Solve for x
x = 916,301,130,476.21/1,212,932.16 - Step 6: Final answer
x = 755,443.02
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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.