Finding the Fourth Proportional to 1,344,021.84, 1,854,808.20 and 763,233.24
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Solution
The fourth proportional to 1,344,021.84, 1,854,808.20 and 763,233.24 is: 1,053,294.84
Step by Step Solution
- Step 1: Write the proportion equation
1,344,021.84 : 1,854,808.20 = 763,233.24 : x - Step 2: Convert to fraction form
1,344,021.84/1,854,808.20 = 763,233.24/x - Step 3: Cross multiply
1,344,021.84x = 1,854,808.20 × 763,233.24 - Step 4: Simplify right side
1,344,021.84x = 1,415,651,272,064.57 - Step 5: Solve for x
x = 1,415,651,272,064.57/1,344,021.84 - Step 6: Final answer
x = 1,053,294.84
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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.