Finding the Fourth Proportional to 1,438,618, 1,985,292.84 and 802,714
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Solution
The fourth proportional to 1,438,618, 1,985,292.84 and 802,714 is: 1,107,745.32
Step by Step Solution
- Step 1: Write the proportion equation
1,438,618 : 1,985,292.84 = 802,714 : x - Step 2: Convert to fraction form
1,438,618/1,985,292.84 = 802,714/x - Step 3: Cross multiply
1,438,618x = 1,985,292.84 × 802,714 - Step 4: Simplify right side
1,438,618x = 1,593,622,356,767.76 - Step 5: Solve for x
x = 1,593,622,356,767.76/1,438,618 - Step 6: Final answer
x = 1,107,745.32
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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.