Finding the Fourth Proportional to 1,122,220.29, 1,683,848.03 and 696,256.49
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Solution
The fourth proportional to 1,122,220.29, 1,683,848.03 and 696,256.49 is: 1,044,705.85
Step by Step Solution
- Step 1: Write the proportion equation
1,122,220.29 : 1,683,848.03 = 696,256.49 : x - Step 2: Convert to fraction form
1,122,220.29/1,683,848.03 = 696,256.49/x - Step 3: Cross multiply
1,122,220.29x = 1,683,848.03 × 696,256.49 - Step 4: Simplify right side
1,122,220.29x = 1,172,390,107,160.69 - Step 5: Solve for x
x = 1,172,390,107,160.69/1,122,220.29 - Step 6: Final answer
x = 1,044,705.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.