Finding the Fourth Proportional to 1,202,109.70, 1,658,950.98 and 658,268.44
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Solution
The fourth proportional to 1,202,109.70, 1,658,950.98 and 658,268.44 is: 908,432.13
Step by Step Solution
- Step 1: Write the proportion equation
1,202,109.70 : 1,658,950.98 = 658,268.44 : x - Step 2: Convert to fraction form
1,202,109.70/1,658,950.98 = 658,268.44/x - Step 3: Cross multiply
1,202,109.70x = 1,658,950.98 × 658,268.44 - Step 4: Simplify right side
1,202,109.70x = 1,092,035,073,641.07 - Step 5: Solve for x
x = 1,092,035,073,641.07/1,202,109.70 - Step 6: Final answer
x = 908,432.13
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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.