Finding the Fourth Proportional to 1,260,727.12, 1,739,565.48 and 751,476.88
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Solution
The fourth proportional to 1,260,727.12, 1,739,565.48 and 751,476.88 is: 1,036,896.26
Step by Step Solution
- Step 1: Write the proportion equation
1,260,727.12 : 1,739,565.48 = 751,476.88 : x - Step 2: Convert to fraction form
1,260,727.12/1,739,565.48 = 751,476.88/x - Step 3: Cross multiply
1,260,727.12x = 1,739,565.48 × 751,476.88 - Step 4: Simplify right side
1,260,727.12x = 1,307,243,239,466.10 - Step 5: Solve for x
x = 1,307,243,239,466.10/1,260,727.12 - Step 6: Final answer
x = 1,036,896.26
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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.