Finding the Fourth Proportional to 1,349,248.41, 1,861,959.65 and 768,471.44
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Solution
The fourth proportional to 1,349,248.41, 1,861,959.65 and 768,471.44 is: 1,060,488.78
Step by Step Solution
- Step 1: Write the proportion equation
1,349,248.41 : 1,861,959.65 = 768,471.44 : x - Step 2: Convert to fraction form
1,349,248.41/1,861,959.65 = 768,471.44/x - Step 3: Cross multiply
1,349,248.41x = 1,861,959.65 × 768,471.44 - Step 4: Simplify right side
1,349,248.41x = 1,430,862,800,305.24 - Step 5: Solve for x
x = 1,430,862,800,305.24/1,349,248.41 - Step 6: Final answer
x = 1,060,488.78
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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.