Finding the Fourth Proportional to 1,186,340.39, 1,637,312.67 and 727,373.84
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Solution
The fourth proportional to 1,186,340.39, 1,637,312.67 and 727,373.84 is: 1,003,875.79
Step by Step Solution
- Step 1: Write the proportion equation
1,186,340.39 : 1,637,312.67 = 727,373.84 : x - Step 2: Convert to fraction form
1,186,340.39/1,637,312.67 = 727,373.84/x - Step 3: Cross multiply
1,186,340.39x = 1,637,312.67 × 727,373.84 - Step 4: Simplify right side
1,186,340.39x = 1,190,938,395,871.99 - Step 5: Solve for x
x = 1,190,938,395,871.99/1,186,340.39 - Step 6: Final answer
x = 1,003,875.79
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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.