Finding the Fourth Proportional to 1,294,014.65, 1,785,873.06 and 777,935.60
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Solution
The fourth proportional to 1,294,014.65, 1,785,873.06 and 777,935.60 is: 1,073,630.99
Step by Step Solution
- Step 1: Write the proportion equation
1,294,014.65 : 1,785,873.06 = 777,935.60 : x - Step 2: Convert to fraction form
1,294,014.65/1,785,873.06 = 777,935.60/x - Step 3: Cross multiply
1,294,014.65x = 1,785,873.06 × 777,935.60 - Step 4: Simplify right side
1,294,014.65x = 1,389,294,221,525.57 - Step 5: Solve for x
x = 1,389,294,221,525.57/1,294,014.65 - Step 6: Final answer
x = 1,073,630.99
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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.