Finding the Fourth Proportional to 1,478,656.64, 2,040,608.19 and 834,076.65
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Solution
The fourth proportional to 1,478,656.64, 2,040,608.19 and 834,076.65 is: 1,151,060.77
Step by Step Solution
- Step 1: Write the proportion equation
1,478,656.64 : 2,040,608.19 = 834,076.65 : x - Step 2: Convert to fraction form
1,478,656.64/2,040,608.19 = 834,076.65/x - Step 3: Cross multiply
1,478,656.64x = 2,040,608.19 × 834,076.65 - Step 4: Simplify right side
1,478,656.64x = 1,702,023,643,077.76 - Step 5: Solve for x
x = 1,702,023,643,077.76/1,478,656.64 - Step 6: Final answer
x = 1,151,060.77
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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.