Finding the Fourth Proportional to 1,343,752.58, 1,854,378.21 and 740,140.58
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Solution
The fourth proportional to 1,343,752.58, 1,854,378.21 and 740,140.58 is: 1,021,393.81
Step by Step Solution
- Step 1: Write the proportion equation
1,343,752.58 : 1,854,378.21 = 740,140.58 : x - Step 2: Convert to fraction form
1,343,752.58/1,854,378.21 = 740,140.58/x - Step 3: Cross multiply
1,343,752.58x = 1,854,378.21 × 740,140.58 - Step 4: Simplify right side
1,343,752.58x = 1,372,500,563,888.76 - Step 5: Solve for x
x = 1,372,500,563,888.76/1,343,752.58 - Step 6: Final answer
x = 1,021,393.81
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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.