Finding the Fourth Proportional to 1,402,002.68, 1,934,764.65 and 757,422.63
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Solution
The fourth proportional to 1,402,002.68, 1,934,764.65 and 757,422.63 is: 1,045,243.75
Step by Step Solution
- Step 1: Write the proportion equation
1,402,002.68 : 1,934,764.65 = 757,422.63 : x - Step 2: Convert to fraction form
1,402,002.68/1,934,764.65 = 757,422.63/x - Step 3: Cross multiply
1,402,002.68x = 1,934,764.65 × 757,422.63 - Step 4: Simplify right side
1,402,002.68x = 1,465,434,529,634.03 - Step 5: Solve for x
x = 1,465,434,529,634.03/1,402,002.68 - Step 6: Final answer
x = 1,045,243.75
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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.