Finding the Fourth Proportional to 1,135,729, 1,703,881.50 and 425,759.08
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Solution
The fourth proportional to 1,135,729, 1,703,881.50 and 425,759.08 is: 638,746.58
Step by Step Solution
- Step 1: Write the proportion equation
1,135,729 : 1,703,881.50 = 425,759.08 : x - Step 2: Convert to fraction form
1,135,729/1,703,881.50 = 425,759.08/x - Step 3: Cross multiply
1,135,729x = 1,703,881.50 × 425,759.08 - Step 4: Simplify right side
1,135,729x = 725,443,019,869.02 - Step 5: Solve for x
x = 725,443,019,869.02/1,135,729 - Step 6: Final answer
x = 638,746.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.