Finding the Fourth Proportional to 1,214,135.20, 1,675,462.57 and 670,259.29
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Solution
The fourth proportional to 1,214,135.20, 1,675,462.57 and 670,259.29 is: 924,933.53
Step by Step Solution
- Step 1: Write the proportion equation
1,214,135.20 : 1,675,462.57 = 670,259.29 : x - Step 2: Convert to fraction form
1,214,135.20/1,675,462.57 = 670,259.29/x - Step 3: Cross multiply
1,214,135.20x = 1,675,462.57 × 670,259.29 - Step 4: Simplify right side
1,214,135.20x = 1,122,994,352,589.78 - Step 5: Solve for x
x = 1,122,994,352,589.78/1,214,135.20 - Step 6: Final answer
x = 924,933.53
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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.