Finding the Fourth Proportional to 1,224,618.24, 1,689,993.27 and 673,357.08
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Solution
The fourth proportional to 1,224,618.24, 1,689,993.27 and 673,357.08 is: 929,243.82
Step by Step Solution
- Step 1: Write the proportion equation
1,224,618.24 : 1,689,993.27 = 673,357.08 : x - Step 2: Convert to fraction form
1,224,618.24/1,689,993.27 = 673,357.08/x - Step 3: Cross multiply
1,224,618.24x = 1,689,993.27 × 673,357.08 - Step 4: Simplify right side
1,224,618.24x = 1,137,968,933,506.85 - Step 5: Solve for x
x = 1,137,968,933,506.85/1,224,618.24 - Step 6: Final answer
x = 929,243.82
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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.