Finding the Fourth Proportional to 1,215,395.12, 1,677,159.06 and 671,524.94
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Solution
The fourth proportional to 1,215,395.12, 1,677,159.06 and 671,524.94 is: 926,656.79
Step by Step Solution
- Step 1: Write the proportion equation
1,215,395.12 : 1,677,159.06 = 671,524.94 : x - Step 2: Convert to fraction form
1,215,395.12/1,677,159.06 = 671,524.94/x - Step 3: Cross multiply
1,215,395.12x = 1,677,159.06 × 671,524.94 - Step 4: Simplify right side
1,215,395.12x = 1,126,254,137,136.96 - Step 5: Solve for x
x = 1,126,254,137,136.96/1,215,395.12 - Step 6: Final answer
x = 926,656.79
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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.