Finding the Fourth Proportional to 1,214,117.30, 1,675,484.36 and 670,253.84
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Solution
The fourth proportional to 1,214,117.30, 1,675,484.36 and 670,253.84 is: 924,951.67
Step by Step Solution
- Step 1: Write the proportion equation
1,214,117.30 : 1,675,484.36 = 670,253.84 : x - Step 2: Convert to fraction form
1,214,117.30/1,675,484.36 = 670,253.84/x - Step 3: Cross multiply
1,214,117.30x = 1,675,484.36 × 670,253.84 - Step 4: Simplify right side
1,214,117.30x = 1,122,999,823,217.77 - Step 5: Solve for x
x = 1,122,999,823,217.77/1,214,117.30 - Step 6: Final answer
x = 924,951.67
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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.