Finding the Fourth Proportional to 1,224,543.14, 1,689,889.76 and 673,282.14
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Solution
The fourth proportional to 1,224,543.14, 1,689,889.76 and 673,282.14 is: 929,140.48
Step by Step Solution
- Step 1: Write the proportion equation
1,224,543.14 : 1,689,889.76 = 673,282.14 : x - Step 2: Convert to fraction form
1,224,543.14/1,689,889.76 = 673,282.14/x - Step 3: Cross multiply
1,224,543.14x = 1,689,889.76 × 673,282.14 - Step 4: Simplify right side
1,224,543.14x = 1,137,772,590,610.48 - Step 5: Solve for x
x = 1,137,772,590,610.48/1,224,543.14 - Step 6: Final answer
x = 929,140.48
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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.