Finding the Fourth Proportional to 1,476,143.40, 2,214,603.90 and 529,415.40
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Solution
The fourth proportional to 1,476,143.40, 2,214,603.90 and 529,415.40 is: 794,262.54
Step by Step Solution
- Step 1: Write the proportion equation
1,476,143.40 : 2,214,603.90 = 529,415.40 : x - Step 2: Convert to fraction form
1,476,143.40/2,214,603.90 = 529,415.40/x - Step 3: Cross multiply
1,476,143.40x = 2,214,603.90 × 529,415.40 - Step 4: Simplify right side
1,476,143.40x = 1,172,445,409,560.06 - Step 5: Solve for x
x = 1,172,445,409,560.06/1,476,143.40 - Step 6: Final answer
x = 794,262.54
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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.