Finding the Fourth Proportional to 1,283,155.55, 1,770,726.17 and 702,378.26
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Solution
The fourth proportional to 1,283,155.55, 1,770,726.17 and 702,378.26 is: 969,266.40
Step by Step Solution
- Step 1: Write the proportion equation
1,283,155.55 : 1,770,726.17 = 702,378.26 : x - Step 2: Convert to fraction form
1,283,155.55/1,770,726.17 = 702,378.26/x - Step 3: Cross multiply
1,283,155.55x = 1,770,726.17 × 702,378.26 - Step 4: Simplify right side
1,283,155.55x = 1,243,719,553,855.54 - Step 5: Solve for x
x = 1,243,719,553,855.54/1,283,155.55 - Step 6: Final answer
x = 969,266.40
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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.