Finding the Fourth Proportional to 1,207,483.99, 1,664,572.10 and 843,779.05
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Solution
The fourth proportional to 1,207,483.99, 1,664,572.10 and 843,779.05 is: 1,163,188.14
Step by Step Solution
- Step 1: Write the proportion equation
1,207,483.99 : 1,664,572.10 = 843,779.05 : x - Step 2: Convert to fraction form
1,207,483.99/1,664,572.10 = 843,779.05/x - Step 3: Cross multiply
1,207,483.99x = 1,664,572.10 × 843,779.05 - Step 4: Simplify right side
1,207,483.99x = 1,404,531,056,814.18 - Step 5: Solve for x
x = 1,404,531,056,814.18/1,207,483.99 - Step 6: Final answer
x = 1,163,188.14
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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.