Finding the Fourth Proportional to 1,349,118.99, 1,861,856.28 and 776,246.49
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Solution
The fourth proportional to 1,349,118.99, 1,861,856.28 and 776,246.49 is: 1,071,261.63
Step by Step Solution
- Step 1: Write the proportion equation
1,349,118.99 : 1,861,856.28 = 776,246.49 : x - Step 2: Convert to fraction form
1,349,118.99/1,861,856.28 = 776,246.49/x - Step 3: Cross multiply
1,349,118.99x = 1,861,856.28 × 776,246.49 - Step 4: Simplify right side
1,349,118.99x = 1,445,259,402,234.46 - Step 5: Solve for x
x = 1,445,259,402,234.46/1,349,118.99 - Step 6: Final answer
x = 1,071,261.63
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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.