Finding the Fourth Proportional to 1,169,106.50, 1,748,593.74 and 688,188.17
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Solution
The fourth proportional to 1,169,106.50, 1,748,593.74 and 688,188.17 is: 1,029,300.18
Step by Step Solution
- Step 1: Write the proportion equation
1,169,106.50 : 1,748,593.74 = 688,188.17 : x - Step 2: Convert to fraction form
1,169,106.50/1,748,593.74 = 688,188.17/x - Step 3: Cross multiply
1,169,106.50x = 1,748,593.74 × 688,188.17 - Step 4: Simplify right side
1,169,106.50x = 1,203,361,526,004.06 - Step 5: Solve for x
x = 1,203,361,526,004.06/1,169,106.50 - Step 6: Final answer
x = 1,029,300.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.