Finding the Fourth Proportional to 1,342,320.53, 1,852,402.64 and 738,708.53
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Solution
The fourth proportional to 1,342,320.53, 1,852,402.64 and 738,708.53 is: 1,019,417.94
Step by Step Solution
- Step 1: Write the proportion equation
1,342,320.53 : 1,852,402.64 = 738,708.53 : x - Step 2: Convert to fraction form
1,342,320.53/1,852,402.64 = 738,708.53/x - Step 3: Cross multiply
1,342,320.53x = 1,852,402.64 × 738,708.53 - Step 4: Simplify right side
1,342,320.53x = 1,368,385,618,206.96 - Step 5: Solve for x
x = 1,368,385,618,206.96/1,342,320.53 - Step 6: Final answer
x = 1,019,417.94
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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.