Finding the Fourth Proportional to 1,295,481.60, 1,787,758.70 and 714,688.92
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Solution
The fourth proportional to 1,295,481.60, 1,787,758.70 and 714,688.92 is: 986,267.45
Step by Step Solution
- Step 1: Write the proportion equation
1,295,481.60 : 1,787,758.70 = 714,688.92 : x - Step 2: Convert to fraction form
1,295,481.60/1,787,758.70 = 714,688.92/x - Step 3: Cross multiply
1,295,481.60x = 1,787,758.70 × 714,688.92 - Step 4: Simplify right side
1,295,481.60x = 1,277,691,330,950.16 - Step 5: Solve for x
x = 1,277,691,330,950.16/1,295,481.60 - Step 6: Final answer
x = 986,267.45
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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.