Finding the Fourth Proportional to 1,430,545.19, 1,974,052.82 and 785,992.55
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Solution
The fourth proportional to 1,430,545.19, 1,974,052.82 and 785,992.55 is: 1,084,615.03
Step by Step Solution
- Step 1: Write the proportion equation
1,430,545.19 : 1,974,052.82 = 785,992.55 : x - Step 2: Convert to fraction form
1,430,545.19/1,974,052.82 = 785,992.55/x - Step 3: Cross multiply
1,430,545.19x = 1,974,052.82 × 785,992.55 - Step 4: Simplify right side
1,430,545.19x = 1,551,590,801,921.21 - Step 5: Solve for x
x = 1,551,590,801,921.21/1,430,545.19 - Step 6: Final answer
x = 1,084,615.03
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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.