Finding the Fourth Proportional to 1,028,235.36, 1,418,525.13 and 620,105.13
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Solution
The fourth proportional to 1,028,235.36, 1,418,525.13 and 620,105.13 is: 855,479.93
Step by Step Solution
- Step 1: Write the proportion equation
1,028,235.36 : 1,418,525.13 = 620,105.13 : x - Step 2: Convert to fraction form
1,028,235.36/1,418,525.13 = 620,105.13/x - Step 3: Cross multiply
1,028,235.36x = 1,418,525.13 × 620,105.13 - Step 4: Simplify right side
1,028,235.36x = 879,634,710,146.92 - Step 5: Solve for x
x = 879,634,710,146.92/1,028,235.36 - Step 6: Final answer
x = 855,479.93
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.