Finding the Fourth Proportional to 1,126,526.55, 1,687,612.28 and 626,374.23
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Solution
The fourth proportional to 1,126,526.55, 1,687,612.28 and 626,374.23 is: 938,350.58
Step by Step Solution
- Step 1: Write the proportion equation
1,126,526.55 : 1,687,612.28 = 626,374.23 : x - Step 2: Convert to fraction form
1,126,526.55/1,687,612.28 = 626,374.23/x - Step 3: Cross multiply
1,126,526.55x = 1,687,612.28 × 626,374.23 - Step 4: Simplify right side
1,126,526.55x = 1,057,076,839,291.67 - Step 5: Solve for x
x = 1,057,076,839,291.67/1,126,526.55 - Step 6: Final answer
x = 938,350.58
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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.