Finding the Fourth Proportional to 1,395,929.81, 1,926,341.07 and 775,732.88
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Solution
The fourth proportional to 1,395,929.81, 1,926,341.07 and 775,732.88 is: 1,070,487.99
Step by Step Solution
- Step 1: Write the proportion equation
1,395,929.81 : 1,926,341.07 = 775,732.88 : x - Step 2: Convert to fraction form
1,395,929.81/1,926,341.07 = 775,732.88/x - Step 3: Cross multiply
1,395,929.81x = 1,926,341.07 × 775,732.88 - Step 4: Simplify right side
1,395,929.81x = 1,494,326,096,461.68 - Step 5: Solve for x
x = 1,494,326,096,461.68/1,395,929.81 - Step 6: Final answer
x = 1,070,487.99
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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.