Finding the Fourth Proportional to 1,243,302.36, 1,715,595.84 and 699,419.76
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Solution
The fourth proportional to 1,243,302.36, 1,715,595.84 and 699,419.76 is: 965,108.46
Step by Step Solution
- Step 1: Write the proportion equation
1,243,302.36 : 1,715,595.84 = 699,419.76 : x - Step 2: Convert to fraction form
1,243,302.36/1,715,595.84 = 699,419.76/x - Step 3: Cross multiply
1,243,302.36x = 1,715,595.84 × 699,419.76 - Step 4: Simplify right side
1,243,302.36x = 1,199,921,630,669.80 - Step 5: Solve for x
x = 1,199,921,630,669.80/1,243,302.36 - Step 6: Final answer
x = 965,108.46
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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.