Finding the Fourth Proportional to 1,263,303.36, 1,743,329.88 and 690,346.98
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Solution
The fourth proportional to 1,263,303.36, 1,743,329.88 and 690,346.98 is: 952,663.12
Step by Step Solution
- Step 1: Write the proportion equation
1,263,303.36 : 1,743,329.88 = 690,346.98 : x - Step 2: Convert to fraction form
1,263,303.36/1,743,329.88 = 690,346.98/x - Step 3: Cross multiply
1,263,303.36x = 1,743,329.88 × 690,346.98 - Step 4: Simplify right side
1,263,303.36x = 1,203,502,517,801.76 - Step 5: Solve for x
x = 1,203,502,517,801.76/1,263,303.36 - Step 6: Final answer
x = 952,663.12
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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.