Finding the Fourth Proportional to 1,114,394.21, 1,537,937.48 and 624,403.01
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Solution
The fourth proportional to 1,114,394.21, 1,537,937.48 and 624,403.01 is: 861,717.32
Step by Step Solution
- Step 1: Write the proportion equation
1,114,394.21 : 1,537,937.48 = 624,403.01 : x - Step 2: Convert to fraction form
1,114,394.21/1,537,937.48 = 624,403.01/x - Step 3: Cross multiply
1,114,394.21x = 1,537,937.48 × 624,403.01 - Step 4: Simplify right side
1,114,394.21x = 960,292,785,575.14 - Step 5: Solve for x
x = 960,292,785,575.14/1,114,394.21 - Step 6: Final answer
x = 861,717.32
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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.