Finding the Fourth Proportional to 1,069,902.48, 1,476,616.48 and 662,135.68
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Solution
The fourth proportional to 1,069,902.48, 1,476,616.48 and 662,135.68 is: 913,840.72
Step by Step Solution
- Step 1: Write the proportion equation
1,069,902.48 : 1,476,616.48 = 662,135.68 : x - Step 2: Convert to fraction form
1,069,902.48/1,476,616.48 = 662,135.68/x - Step 3: Cross multiply
1,069,902.48x = 1,476,616.48 × 662,135.68 - Step 4: Simplify right side
1,069,902.48x = 977,720,457,084.01 - Step 5: Solve for x
x = 977,720,457,084.01/1,069,902.48 - Step 6: Final answer
x = 913,840.72
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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.