Finding the Fourth Proportional to 1,263,226.14, 1,743,295.02 and 690,303.12
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Solution
The fourth proportional to 1,263,226.14, 1,743,295.02 and 690,303.12 is: 952,641.77
Step by Step Solution
- Step 1: Write the proportion equation
1,263,226.14 : 1,743,295.02 = 690,303.12 : x - Step 2: Convert to fraction form
1,263,226.14/1,743,295.02 = 690,303.12/x - Step 3: Cross multiply
1,263,226.14x = 1,743,295.02 × 690,303.12 - Step 4: Simplify right side
1,263,226.14x = 1,203,401,991,386.46 - Step 5: Solve for x
x = 1,203,401,991,386.46/1,263,226.14 - Step 6: Final answer
x = 952,641.77
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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.