Finding the Fourth Proportional to 1,206,751.96, 1,664,841.54 and 777,281.35
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Solution
The fourth proportional to 1,206,751.96, 1,664,841.54 and 777,281.35 is: 1,072,341.56
Step by Step Solution
- Step 1: Write the proportion equation
1,206,751.96 : 1,664,841.54 = 777,281.35 : x - Step 2: Convert to fraction form
1,206,751.96/1,664,841.54 = 777,281.35/x - Step 3: Cross multiply
1,206,751.96x = 1,664,841.54 × 777,281.35 - Step 4: Simplify right side
1,206,751.96x = 1,294,050,275,585.18 - Step 5: Solve for x
x = 1,294,050,275,585.18/1,206,751.96 - Step 6: Final answer
x = 1,072,341.56
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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.