Finding the Fourth Proportional to 1,292,860.17, 1,784,129.94 and 712,072.08
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Solution
The fourth proportional to 1,292,860.17, 1,784,129.94 and 712,072.08 is: 982,650.06
Step by Step Solution
- Step 1: Write the proportion equation
1,292,860.17 : 1,784,129.94 = 712,072.08 : x - Step 2: Convert to fraction form
1,292,860.17/1,784,129.94 = 712,072.08/x - Step 3: Cross multiply
1,292,860.17x = 1,784,129.94 × 712,072.08 - Step 4: Simplify right side
1,292,860.17x = 1,270,429,117,366.08 - Step 5: Solve for x
x = 1,270,429,117,366.08/1,292,860.17 - Step 6: Final answer
x = 982,650.06
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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.