Finding the Fourth Proportional to 1,048,053.12, 1,445,893.38 and 660,741.09
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Solution
The fourth proportional to 1,048,053.12, 1,445,893.38 and 660,741.09 is: 911,557.96
Step by Step Solution
- Step 1: Write the proportion equation
1,048,053.12 : 1,445,893.38 = 660,741.09 : x - Step 2: Convert to fraction form
1,048,053.12/1,445,893.38 = 660,741.09/x - Step 3: Cross multiply
1,048,053.12x = 1,445,893.38 × 660,741.09 - Step 4: Simplify right side
1,048,053.12x = 955,361,167,924.98 - Step 5: Solve for x
x = 955,361,167,924.98/1,048,053.12 - Step 6: Final answer
x = 911,557.96
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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.