Finding the Fourth Proportional to 1,354,329.42, 1,868,995.53 and 742,540.74
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Solution
The fourth proportional to 1,354,329.42, 1,868,995.53 and 742,540.74 is: 1,024,717.70
Step by Step Solution
- Step 1: Write the proportion equation
1,354,329.42 : 1,868,995.53 = 742,540.74 : x - Step 2: Convert to fraction form
1,354,329.42/1,868,995.53 = 742,540.74/x - Step 3: Cross multiply
1,354,329.42x = 1,868,995.53 × 742,540.74 - Step 4: Simplify right side
1,354,329.42x = 1,387,805,323,902.89 - Step 5: Solve for x
x = 1,387,805,323,902.89/1,354,329.42 - Step 6: Final answer
x = 1,024,717.70
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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.