Finding the Fourth Proportional to 1,356,740.35, 1,872,217.76 and 744,889.66
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Solution
The fourth proportional to 1,356,740.35, 1,872,217.76 and 744,889.66 is: 1,027,901.65
Step by Step Solution
- Step 1: Write the proportion equation
1,356,740.35 : 1,872,217.76 = 744,889.66 : x - Step 2: Convert to fraction form
1,356,740.35/1,872,217.76 = 744,889.66/x - Step 3: Cross multiply
1,356,740.35x = 1,872,217.76 × 744,889.66 - Step 4: Simplify right side
1,356,740.35x = 1,394,595,650,692.36 - Step 5: Solve for x
x = 1,394,595,650,692.36/1,356,740.35 - Step 6: Final answer
x = 1,027,901.65
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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.