Finding the Fourth Proportional to 1,395,965.93, 1,926,479.76 and 775,797.23
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Solution
The fourth proportional to 1,395,965.93, 1,926,479.76 and 775,797.23 is: 1,070,626.17
Step by Step Solution
- Step 1: Write the proportion equation
1,395,965.93 : 1,926,479.76 = 775,797.23 : x - Step 2: Convert to fraction form
1,395,965.93/1,926,479.76 = 775,797.23/x - Step 3: Cross multiply
1,395,965.93x = 1,926,479.76 × 775,797.23 - Step 4: Simplify right side
1,395,965.93x = 1,494,557,661,459.06 - Step 5: Solve for x
x = 1,494,557,661,459.06/1,395,965.93 - Step 6: Final answer
x = 1,070,626.17
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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.