Finding the Fourth Proportional to 1,249,757.44, 1,723,708.43 and 863,219.74
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Solution
The fourth proportional to 1,249,757.44, 1,723,708.43 and 863,219.74 is: 1,190,582.34
Step by Step Solution
- Step 1: Write the proportion equation
1,249,757.44 : 1,723,708.43 = 863,219.74 : x - Step 2: Convert to fraction form
1,249,757.44/1,723,708.43 = 863,219.74/x - Step 3: Cross multiply
1,249,757.44x = 1,723,708.43 × 863,219.74 - Step 4: Simplify right side
1,249,757.44x = 1,487,939,142,780.41 - Step 5: Solve for x
x = 1,487,939,142,780.41/1,249,757.44 - Step 6: Final answer
x = 1,190,582.34
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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.