Finding the Fourth Proportional to 1,266,868.48, 1,748,292.96 and 723,077.68
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Solution
The fourth proportional to 1,266,868.48, 1,748,292.96 and 723,077.68 is: 997,855.45
Step by Step Solution
- Step 1: Write the proportion equation
1,266,868.48 : 1,748,292.96 = 723,077.68 : x - Step 2: Convert to fraction form
1,266,868.48/1,748,292.96 = 723,077.68/x - Step 3: Cross multiply
1,266,868.48x = 1,748,292.96 × 723,077.68 - Step 4: Simplify right side
1,266,868.48x = 1,264,151,617,477.13 - Step 5: Solve for x
x = 1,264,151,617,477.13/1,266,868.48 - Step 6: Final answer
x = 997,855.45
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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.