Finding the Fourth Proportional to 1,301,244.84, 1,795,774 and 720,467.97
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Solution
The fourth proportional to 1,301,244.84, 1,795,774 and 720,467.97 is: 994,276.87
Step by Step Solution
- Step 1: Write the proportion equation
1,301,244.84 : 1,795,774 = 720,467.97 : x - Step 2: Convert to fraction form
1,301,244.84/1,795,774 = 720,467.97/x - Step 3: Cross multiply
1,301,244.84x = 1,795,774 × 720,467.97 - Step 4: Simplify right side
1,301,244.84x = 1,293,797,648,358.78 - Step 5: Solve for x
x = 1,293,797,648,358.78/1,301,244.84 - Step 6: Final answer
x = 994,276.87
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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.