Finding the Fourth Proportional to 1,419,495.66, 1,958,937.58 and 774,920.70
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Solution
The fourth proportional to 1,419,495.66, 1,958,937.58 and 774,920.70 is: 1,069,408.89
Step by Step Solution
- Step 1: Write the proportion equation
1,419,495.66 : 1,958,937.58 = 774,920.70 : x - Step 2: Convert to fraction form
1,419,495.66/1,958,937.58 = 774,920.70/x - Step 3: Cross multiply
1,419,495.66x = 1,958,937.58 × 774,920.70 - Step 4: Simplify right side
1,419,495.66x = 1,518,021,280,749.91 - Step 5: Solve for x
x = 1,518,021,280,749.91/1,419,495.66 - Step 6: Final answer
x = 1,069,408.89
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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.