Finding the Fourth Proportional to 1,226,649.94, 1,692,777.09 and 682,774.18
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Solution
The fourth proportional to 1,226,649.94, 1,692,777.09 and 682,774.18 is: 942,228.46
Step by Step Solution
- Step 1: Write the proportion equation
1,226,649.94 : 1,692,777.09 = 682,774.18 : x - Step 2: Convert to fraction form
1,226,649.94/1,692,777.09 = 682,774.18/x - Step 3: Cross multiply
1,226,649.94x = 1,692,777.09 × 682,774.18 - Step 4: Simplify right side
1,226,649.94x = 1,155,784,489,547.54 - Step 5: Solve for x
x = 1,155,784,489,547.54/1,226,649.94 - Step 6: Final answer
x = 942,228.46
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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.