Finding the Fourth Proportional to 1,118,152.20, 1,543,007.91 and 683,296.68
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Solution
The fourth proportional to 1,118,152.20, 1,543,007.91 and 683,296.68 is: 942,923.68
Step by Step Solution
- Step 1: Write the proportion equation
1,118,152.20 : 1,543,007.91 = 683,296.68 : x - Step 2: Convert to fraction form
1,118,152.20/1,543,007.91 = 683,296.68/x - Step 3: Cross multiply
1,118,152.20x = 1,543,007.91 × 683,296.68 - Step 4: Simplify right side
1,118,152.20x = 1,054,332,182,116.74 - Step 5: Solve for x
x = 1,054,332,182,116.74/1,118,152.20 - Step 6: Final answer
x = 942,923.68
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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.