Finding the Fourth Proportional to 1,245,881.26, 1,719,696.15 and 722,724.08
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Solution
The fourth proportional to 1,245,881.26, 1,719,696.15 and 722,724.08 is: 997,579.68
Step by Step Solution
- Step 1: Write the proportion equation
1,245,881.26 : 1,719,696.15 = 722,724.08 : x - Step 2: Convert to fraction form
1,245,881.26/1,719,696.15 = 722,724.08/x - Step 3: Cross multiply
1,245,881.26x = 1,719,696.15 × 722,724.08 - Step 4: Simplify right side
1,245,881.26x = 1,242,865,822,187.53 - Step 5: Solve for x
x = 1,242,865,822,187.53/1,245,881.26 - Step 6: Final answer
x = 997,579.68
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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.