Finding the Fourth Proportional to 1,226,588.24, 1,692,678.84 and 682,715.36
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Solution
The fourth proportional to 1,226,588.24, 1,692,678.84 and 682,715.36 is: 942,140.00
Step by Step Solution
- Step 1: Write the proportion equation
1,226,588.24 : 1,692,678.84 = 682,715.36 : x - Step 2: Convert to fraction form
1,226,588.24/1,692,678.84 = 682,715.36/x - Step 3: Cross multiply
1,226,588.24x = 1,692,678.84 × 682,715.36 - Step 4: Simplify right side
1,226,588.24x = 1,155,617,843,614.98 - Step 5: Solve for x
x = 1,155,617,843,614.98/1,226,588.24 - Step 6: Final answer
x = 942,140.00
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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.