Finding the Fourth Proportional to 1,266,078.24, 1,747,227.36 and 693,171.84
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Solution
The fourth proportional to 1,266,078.24, 1,747,227.36 and 693,171.84 is: 956,598.70
Step by Step Solution
- Step 1: Write the proportion equation
1,266,078.24 : 1,747,227.36 = 693,171.84 : x - Step 2: Convert to fraction form
1,266,078.24/1,747,227.36 = 693,171.84/x - Step 3: Cross multiply
1,266,078.24x = 1,747,227.36 × 693,171.84 - Step 4: Simplify right side
1,266,078.24x = 1,211,128,804,029.54 - Step 5: Solve for x
x = 1,211,128,804,029.54/1,266,078.24 - Step 6: Final answer
x = 956,598.70
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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.