Finding the Fourth Proportional to 1,122,319.70, 1,548,799.46 and 613,022.07
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Solution
The fourth proportional to 1,122,319.70, 1,548,799.46 and 613,022.07 is: 845,969.52
Step by Step Solution
- Step 1: Write the proportion equation
1,122,319.70 : 1,548,799.46 = 613,022.07 : x - Step 2: Convert to fraction form
1,122,319.70/1,548,799.46 = 613,022.07/x - Step 3: Cross multiply
1,122,319.70x = 1,548,799.46 × 613,022.07 - Step 4: Simplify right side
1,122,319.70x = 949,448,250,984.08 - Step 5: Solve for x
x = 949,448,250,984.08/1,122,319.70 - Step 6: Final answer
x = 845,969.52
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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.