Finding the Fourth Proportional to 1,186,366.48, 1,637,215.76 and 727,733.95
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Solution
The fourth proportional to 1,186,366.48, 1,637,215.76 and 727,733.95 is: 1,004,291.26
Step by Step Solution
- Step 1: Write the proportion equation
1,186,366.48 : 1,637,215.76 = 727,733.95 : x - Step 2: Convert to fraction form
1,186,366.48/1,637,215.76 = 727,733.95/x - Step 3: Cross multiply
1,186,366.48x = 1,637,215.76 × 727,733.95 - Step 4: Simplify right side
1,186,366.48x = 1,191,457,480,202.30 - Step 5: Solve for x
x = 1,191,457,480,202.30/1,186,366.48 - Step 6: Final answer
x = 1,004,291.26
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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.