Finding the Fourth Proportional to 1,292,955.69, 1,784,278.84 and 749,406.76
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Solution
The fourth proportional to 1,292,955.69, 1,784,278.84 and 749,406.76 is: 1,034,181.32
Step by Step Solution
- Step 1: Write the proportion equation
1,292,955.69 : 1,784,278.84 = 749,406.76 : x - Step 2: Convert to fraction form
1,292,955.69/1,784,278.84 = 749,406.76/x - Step 3: Cross multiply
1,292,955.69x = 1,784,278.84 × 749,406.76 - Step 4: Simplify right side
1,292,955.69x = 1,337,150,626,617.87 - Step 5: Solve for x
x = 1,337,150,626,617.87/1,292,955.69 - Step 6: Final answer
x = 1,034,181.32
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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.