Finding the Fourth Proportional to 1,430,398.82, 1,973,951.16 and 785,860.54
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Solution
The fourth proportional to 1,430,398.82, 1,973,951.16 and 785,860.54 is: 1,084,487.98
Step by Step Solution
- Step 1: Write the proportion equation
1,430,398.82 : 1,973,951.16 = 785,860.54 : x - Step 2: Convert to fraction form
1,430,398.82/1,973,951.16 = 785,860.54/x - Step 3: Cross multiply
1,430,398.82x = 1,973,951.16 × 785,860.54 - Step 4: Simplify right side
1,430,398.82x = 1,551,250,324,531.23 - Step 5: Solve for x
x = 1,551,250,324,531.23/1,430,398.82 - Step 6: Final answer
x = 1,084,487.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.