Finding the Fourth Proportional to 1,014,699.20, 1,400,283.96 and 561,989.84
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Solution
The fourth proportional to 1,014,699.20, 1,400,283.96 and 561,989.84 is: 775,545.46
Step by Step Solution
- Step 1: Write the proportion equation
1,014,699.20 : 1,400,283.96 = 561,989.84 : x - Step 2: Convert to fraction form
1,014,699.20/1,400,283.96 = 561,989.84/x - Step 3: Cross multiply
1,014,699.20x = 1,400,283.96 × 561,989.84 - Step 4: Simplify right side
1,014,699.20x = 786,945,358,634.97 - Step 5: Solve for x
x = 786,945,358,634.97/1,014,699.20 - Step 6: Final answer
x = 775,545.46
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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.