Finding the Fourth Proportional to 1,215,927.28, 1,823,927.96 and 417,197.52
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Solution
The fourth proportional to 1,215,927.28, 1,823,927.96 and 417,197.52 is: 625,808.99
Step by Step Solution
- Step 1: Write the proportion equation
1,215,927.28 : 1,823,927.96 = 417,197.52 : x - Step 2: Convert to fraction form
1,215,927.28/1,823,927.96 = 417,197.52/x - Step 3: Cross multiply
1,215,927.28x = 1,823,927.96 × 417,197.52 - Step 4: Simplify right side
1,215,927.28x = 760,938,221,570.66 - Step 5: Solve for x
x = 760,938,221,570.66/1,215,927.28 - Step 6: Final answer
x = 625,808.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.