Finding the Fourth Proportional to 1,069,902.26, 1,476,616.14 and 662,135.40
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Solution
The fourth proportional to 1,069,902.26, 1,476,616.14 and 662,135.40 is: 913,840.32
Step by Step Solution
- Step 1: Write the proportion equation
1,069,902.26 : 1,476,616.14 = 662,135.40 : x - Step 2: Convert to fraction form
1,069,902.26/1,476,616.14 = 662,135.40/x - Step 3: Cross multiply
1,069,902.26x = 1,476,616.14 × 662,135.40 - Step 4: Simplify right side
1,069,902.26x = 977,719,818,505.36 - Step 5: Solve for x
x = 977,719,818,505.36/1,069,902.26 - Step 6: Final answer
x = 913,840.32
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1.5x scale
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.