Finding the Fourth Proportional to 1,321,022.84, 1,823,011.43 and 748,173.74
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Solution
The fourth proportional to 1,321,022.84, 1,823,011.43 and 748,173.74 is: 1,032,479.70
Step by Step Solution
- Step 1: Write the proportion equation
1,321,022.84 : 1,823,011.43 = 748,173.74 : x - Step 2: Convert to fraction form
1,321,022.84/1,823,011.43 = 748,173.74/x - Step 3: Cross multiply
1,321,022.84x = 1,823,011.43 × 748,173.74 - Step 4: Simplify right side
1,321,022.84x = 1,363,929,266,789.92 - Step 5: Solve for x
x = 1,363,929,266,789.92/1,321,022.84 - Step 6: Final answer
x = 1,032,479.70
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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.