Finding the Fourth Proportional to 1,430,450.70, 1,973,525.54 and 914,506.58
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Solution
The fourth proportional to 1,430,450.70, 1,973,525.54 and 914,506.58 is: 1,261,701.71
Step by Step Solution
- Step 1: Write the proportion equation
1,430,450.70 : 1,973,525.54 = 914,506.58 : x - Step 2: Convert to fraction form
1,430,450.70/1,973,525.54 = 914,506.58/x - Step 3: Cross multiply
1,430,450.70x = 1,973,525.54 × 914,506.58 - Step 4: Simplify right side
1,430,450.70x = 1,804,802,092,128.05 - Step 5: Solve for x
x = 1,804,802,092,128.05/1,430,450.70 - Step 6: Final answer
x = 1,261,701.71
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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.