Finding the Fourth Proportional to 1,431,402.93, 1,975,144.95 and 887,340.51
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Solution
The fourth proportional to 1,431,402.93, 1,975,144.95 and 887,340.51 is: 1,224,411.44
Step by Step Solution
- Step 1: Write the proportion equation
1,431,402.93 : 1,975,144.95 = 887,340.51 : x - Step 2: Convert to fraction form
1,431,402.93/1,975,144.95 = 887,340.51/x - Step 3: Cross multiply
1,431,402.93x = 1,975,144.95 × 887,340.51 - Step 4: Simplify right side
1,431,402.93x = 1,752,626,127,256.92 - Step 5: Solve for x
x = 1,752,626,127,256.92/1,431,402.93 - Step 6: Final answer
x = 1,224,411.44
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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.