Finding the Fourth Proportional to 1,330,587.60, 1,836,211.62 and 718,740.36
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Solution
The fourth proportional to 1,330,587.60, 1,836,211.62 and 718,740.36 is: 991,862.09
Step by Step Solution
- Step 1: Write the proportion equation
1,330,587.60 : 1,836,211.62 = 718,740.36 : x - Step 2: Convert to fraction form
1,330,587.60/1,836,211.62 = 718,740.36/x - Step 3: Cross multiply
1,330,587.60x = 1,836,211.62 × 718,740.36 - Step 4: Simplify right side
1,330,587.60x = 1,319,759,400,794.98 - Step 5: Solve for x
x = 1,319,759,400,794.98/1,330,587.60 - Step 6: Final answer
x = 991,862.09
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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.