Finding the Fourth Proportional to 1,129,016.08, 1,700,282.62 and 1,028,239.12
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Solution
The fourth proportional to 1,129,016.08, 1,700,282.62 and 1,028,239.12 is: 1,548,513.91
Step by Step Solution
- Step 1: Write the proportion equation
1,129,016.08 : 1,700,282.62 = 1,028,239.12 : x - Step 2: Convert to fraction form
1,129,016.08/1,700,282.62 = 1,028,239.12/x - Step 3: Cross multiply
1,129,016.08x = 1,700,282.62 × 1,028,239.12 - Step 4: Simplify right side
1,129,016.08x = 1,748,297,104,940.09 - Step 5: Solve for x
x = 1,748,297,104,940.09/1,129,016.08 - Step 6: Final answer
x = 1,548,513.91
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.