Finding the Fourth Proportional to 1,014,268.96, 1,396,867.36 and 783,977.84
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Solution
The fourth proportional to 1,014,268.96, 1,396,867.36 and 783,977.84 is: 1,079,706.76
Step by Step Solution
- Step 1: Write the proportion equation
1,014,268.96 : 1,396,867.36 = 783,977.84 : x - Step 2: Convert to fraction form
1,014,268.96/1,396,867.36 = 783,977.84/x - Step 3: Cross multiply
1,014,268.96x = 1,396,867.36 × 783,977.84 - Step 4: Simplify right side
1,014,268.96x = 1,095,113,055,659.30 - Step 5: Solve for x
x = 1,095,113,055,659.30/1,014,268.96 - Step 6: Final answer
x = 1,079,706.76
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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.