Finding the Fourth Proportional to 1,235,284.18, 1,853,075.77 and 436,402.24
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Solution
The fourth proportional to 1,235,284.18, 1,853,075.77 and 436,402.24 is: 654,656.18
Step by Step Solution
- Step 1: Write the proportion equation
1,235,284.18 : 1,853,075.77 = 436,402.24 : x - Step 2: Convert to fraction form
1,235,284.18/1,853,075.77 = 436,402.24/x - Step 3: Cross multiply
1,235,284.18x = 1,853,075.77 × 436,402.24 - Step 4: Simplify right side
1,235,284.18x = 808,686,416,917.73 - Step 5: Solve for x
x = 808,686,416,917.73/1,235,284.18 - Step 6: Final answer
x = 654,656.18
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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.