Finding the Fourth Proportional to 1,088,639.26, 1,502,373.40 and 605,212.42
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Solution
The fourth proportional to 1,088,639.26, 1,502,373.40 and 605,212.42 is: 835,221.62
Step by Step Solution
- Step 1: Write the proportion equation
1,088,639.26 : 1,502,373.40 = 605,212.42 : x - Step 2: Convert to fraction form
1,088,639.26/1,502,373.40 = 605,212.42/x - Step 3: Cross multiply
1,088,639.26x = 1,502,373.40 × 605,212.42 - Step 4: Simplify right side
1,088,639.26x = 909,255,041,157.63 - Step 5: Solve for x
x = 909,255,041,157.63/1,088,639.26 - Step 6: Final answer
x = 835,221.62
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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.